The 2008–09 LNAH season was the 13th season of the Ligue Nord-Américaine de Hockey (before 2004 the Quebec Semi-Pro Hockey League), a minor professional league in the Canadian province of Quebec. Nine teams participated in the regular season, and Lois Jeans de Pont-Rouge won the league title.

The 2008–09 Israeli Hockey League season was the 18th season of Israel's hockey league. won their first Israeli championship.

2008–09 Irish Football League Cup

2008–09 Huddersfield Town F.C. season

The 2008–09 Iowa State Cyclones men's basketball team represents Iowa State University during the 2008–09 NCAA Division I men's basketball season. The Cyclones were coached by Greg McDermott, who was in his 3rd season. They played their home games at Hilton Coliseum in Ames, Iowa and competed in the Big 12 Conference.

2008–09 Horizon League men's basketball season

2008–09 Iowa State Cyclones women's basketball team

The 2008–09 Coppa Italia di calcio femminile was the 37th edition of the Italian women's football national cup. ASDCF Bardolino defeated defending champion Torres CF in a rematch of the 's final to win its third title.

The 2008-09 Irish Ice Hockey League season was the second season of the Irish Ice Hockey League, the top level of ice hockey in Ireland. Six teams participated in the league, and the Dundalk Bulls won the championship.

The 2008-09 Lebanese Second Division was the 75th season of the second-highest level of Soccer in Lebanon. This season once again featured 14 Clubs just like the season before.

Hong Kong League Cup

2008–09 ISU Speed Skating World Cup – Competition 6

The 2008–09 Kansas Jayhawks men's basketball team represented the University of Kansas in the 2008-09 NCAA Division I men's basketball season, the Jayhawks' 111th basketball season. The head coach was Bill Self, serving his 6th year. The team played its home games in Allen Fieldhouse in Lawrence, Kansas, and were the defending National Champions. The AP poll released on January 26, 2009, had the Jayhawks unranked, which as of the February 12, 2018 poll, is the last poll in which the Jayhawks were not ranked. The following week, Kansas entered the rankings at 21, beginning what is the longest active streak of consecutive polls being ranked in the nation as of the final AP poll of for the 2017–18 season.

The 2008-09 Short Track Speed Skating World Cup was a multi-race tournament over a season for short track speed skating. The season began on 18 October 2008 and ended on 15 February 2009. The World Cup was organised by the ISU who also ran world cups and championships in speed skating and figure skating.

Hong Kong Third Division League 2008–09 is the 7th season since the establishment of Hong Kong Third Division "District" League.

The 2nd Kuwaiti Federation Cup started on September 7, 2008. The Second Federation Cup is one of four competitions in the Kuwaiti 2008/2009 season. 14 clubs are taking part in the tournament. They were divided into two groups of seven, and the winner and runner-up of each group will advance to the semi-finals. The cup is used as a curtain raiser to the Kuwaiti Premier League season.

2008–09 IIHF European Women's Champions Cup

The 1500 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over six races on six occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Shani Davis of the United States defended his title from the previous season, while fellow American Trevor Marsicano came second, and Håvard Bøkko of Norway came third. On the last competition weekend of the season, Davis set a new world record of 1:41.80.

The 2008–09 Israeli Premier League season began on 30 August 2008, and ended on 1 June 2009. Beitar Jerusalem were the defending champions, having won their 6th league title the previous year. Two teams from Liga Leumit were promoted at the end of the previous season: Hakoah Amidar Ramat Gan and Hapoel Petah Tikva. The two teams relegated were Hapoel Kfar Saba and Maccabi Herzliya. Maccabi Haifa clinched their 11th title after a 0–2 win against Maccabi Netanya on 23 May 2009.

The 2008–09 Kent State Golden Flashes men's basketball team represented Kent State University in the 2008–09 college basketball season. The team was coached by Geno Ford and played their home games in the Memorial Athletic and Convocation Center. They are members of the Mid-American Conference. They finished the season 19–15, 10–6 in MAC play.

2008–09 Houston Cougars men's basketball team

2008–09 Ipswich Town F.C. season

The following is the final results of the Iranian Volleyball Super League (Innovation and Flourishing Cup) 2008/09 season.

President

The 2008–09 Houston Cougars women's basketball team, also known as the Houston Cougars, Houston, or UH, represented the University of Houston in the college basketball 2008-09 season. It was their 65th year of season play. The head coach for the Cougars was Joe Curl, who served in his 11th year in that position. The team played its home games at Hofheinz Pavilion on-campus in Houston, Texas. The team finished the season with 19 wins. The Cougars were 12-2 at home, 6-6 on the road, and 1-2 in neutral site games.

2008–09 Iran Futsal's 1st Division

The 3000 and 5000 metres distances for women in the 2008–09 ISU Speed Skating World Cup were contested over six races on six occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Martina Sáblíková of the Czech Republic successfully defended her title from the previous season, while Daniela Anschütz-Thoms of Germany came second, and Kristina Groves of Canada came third.
2008–09 ISU Speed Skating World Cup – Women's 3000 and 5000 metres

2008–09 ISU Speed Skating World Cup – World Cup 6

During the 2008–09 English football season, Ipswich Town competed in the Football League Championship.

The Continental Cup 2008–09 was the 12th edition of the IIHF Continental Cup. The season started on September 19, 2008, and finished on January 18, 2009. The tournament was won by MHC Martin, who led the final group. The points system used in this tournament was: the winner in regular time won 3 points, the loser 0 points; in case of a tie, an overtime and a penalty shootout is played, the winner in penalty shootouts or overtime won 2 points and the loser won 1 point.

2008–09 Iran Pro League

The 5000 and 10000 metres distances for men in the 2008–09 ISU Speed Skating World Cup were contested over six races on six occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Sven Kramer of the Netherlands won the cup, while the defending champion, Håvard Bøkko of Norway, came second, and Bob de Jong of the Netherlands came third.

The Israeli Basketball Super League (BSL) 2008-2009 season was the 55th season of the top basketball league in Israel. The season began on 26 October 2008 and ended on 21 May 2009. Maccabi Tel Aviv won its 48th league title, defeating Maccabi Haifa Heat 85-72 in the final. The defending champion was Hapoel Holon. Each out of the 12 participating teams played 22 regular league games, one home game and one away game against each other team. The top eight teams qualified to the playoff, where they played best-of-5 series decided by the rankings at the end of the regular season (first against eighth, second against seventh and so on). The four last ranked team competed in a best-of-5 series relegation playoff, whereElitzur Kiryat Ata and Maccabi Giv'at Shmuel lost and were relegated to Liga Leumit. They will be replaced by Maccabi Elitzur Netanya and Hapoel Afula, who qualified from Liga Leumit.

Chairman

The 2008–09 Horizon League men's basketball season marks the 29th season of Horizon League basketball.

The 2008–09 I liga is the 1st season of the Polish I liga under its current title (new name), and the 61st season of the second highest division in the Polish football league system since its establishment in 1949. Formerly, the league was known as the II liga (while the current II liga was known as the III liga). The league is operated by the Polish Football Association (PZPN). The league is contested by 18 teams who competing for promotion to the 2009–10 Ekstraklasa. The regular season was played in a round-robin tournament. The champions and runners-up will receive automatic promotion. At the other end, the bottom four teams face automatic demotion to the II liga, while the fate of the 13th and 14th-place finishers will be decided by playoffs. The season began on 26 July 2008, and concluded on 5 June 2009. After the 19th matchday the league will be on winter break between 16 November 2008 and 13 March 2009.

2008–09 Jordan FA Cup

The 2008–09 Indonesia Super League U-21 season will be the first edition of Indonesia Super League U-21 (ISL U-21), a companion competition Indonesian super league that are intended for footballers under the age of twenty-one years. Djarum, an Indonesian tobacco company will continue its participation as the competition's main sponsor.

The 2008–09 Houston Cougars men's basketball team, also known as the Houston Cougars, Houston, or UH, represented the University of Houston in the college basketball 2008–09 season. It was their 64th year of season play. The head coach for the Cougars was Tom Penders, who was serving in his 5th year in that position. The team played its home games at Hofheinz Pavilion on-campus in Houston, Texas. The Cougars played in the first game of the NCAA Division I season in the 2K Sports College Classic.

2008–09 International Hockey League season

2008–09 Jordan League

The 2008–09 Kazakhstan Hockey Championship was the 17th season of the Kazakhstan Hockey Championship, the top level of ice hockey in Kazakhstan. Eight teams participated in the league, and Barys Astana won the championship.

2008–09 LSU Tigers men's basketball team

The LEN Cup 2008-09 was the 17th edition of this water polo competition, and was won by Szeged Beton VSE. It was the first time a Hungarian club won the competition since Újpesti TE's 3rd title in 1999.

Israeli Women's Cup

The following is the final results of the Iran Super League 2008/09 basketball season, Persian Gulf Cup.

2008–09 ISU Speed Skating World Cup – Men's 1000 metres

2008–09 ISU Speed Skating World Cup – Men's 100 metres

2008–09 Kazakhstani Championship

2008–09 LNB Pro A season

The ninth and final competition weekend of the 2008–09 ISU Speed Skating World Cup was a three-day event with races in all cups except the team pursuits, held at the Utah Olympic Oval in Salt Lake City, United States, from Friday, March 6, until Sunday, March 8, 2009. American Shani Davis set new world records for the 1000 and 1500 meters distances.

The 2008–09 Israeli Premier League season began on 30 August 2008, and ended on 1 June 2009. Beitar Jerusalem were the defending champions, having won their 6th league title the previous year. Two teams from Liga Leumit were promoted at the end of the previous season: Hakoah Amidar Ramat Gan and Hapoel Petah Tikva. The two teams relegated were Hapoel Kfar Saba and Maccabi Herzliya. At a 24 June 2008 IFA administration meeting it was decided that the league would be expanded to 16 clubs for the following season. Due to the expansion, only one team was relegated directly to Liga Leumit, while five clubs were promoted. The eleventh-ranked team played in a play-off match against the sixth-ranked team from Liga Leumit. Maccabi Haifa clinched their 11th title after a 0–2 win against Maccabi Netanya on 23 May 2009.

The 2008–09 season of the Hoofdklasse was competed in six leagues: three Saturday leagues, and three Sunday leagues.

The Korisliiga is the premier basketball league in Finland. The 2008-09 season was the 69th Finnish club basketball season. It began on October 3, 2008 and ended on May 16, 2009. Namika Lahti won the Final series by 3-0 against Joensuun Kataja. Antti Nikkilä won the MVP Award and Vesa Mäkäläinen won the Finals MVP Award.

2008–09 Kansas Jayhawks men's basketball team

2008–09 Leeds United A.F.C. season

2008–09 ISU Speed Skating World Cup – Women's 100 metres

2008–09 ISU Speed Skating World Cup – Competition 7

2008–09 Icelandic Hockey League season

2008–09 ISU Speed Skating World Cup – Men's 1500 metres

The 2008–09 Irish Cup was the 129th edition of Northern Ireland's premier football knock-out cup competition. The competition began on 25 October 2008 with the first round and ended on 9 May 2009 with the final.

The men's team pursuit in the 2008–09 ISU Speed Skating World Cup was contested over three races on three occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the last occasion involving the event taking place in Erfurt, Germany, on 30 January – 1 February 2009. Canada won the cup, while Italy came second, and Japan came third. The defending champions, the Netherlands, ended up in seventh place.

2008–09 ISU Speed Skating World Cup – World Cup 7

The 2008–09 LEB Plata season was the 9th season of the LEB Plata, second league of the Liga Española de Baloncesto and third division in Spain. It is also named Adecco Plata for sponsorship reasons.

2008–09 ISU Junior Grand Prix

2008–09 Hong Kong First Division League

Israel State Cup

Hong Kong Senior Challenge Shield

The 2008–09 ISU Grand Prix of Figure Skating was a series of six international invitational competitions in the 2008–09 season. Skaters competed in the disciplines of men's singles, ladies singles, pair skating, and ice dancing on the senior level. At each event, skaters earned points based on their placements and the top six scoring skaters or teams at the end of the series qualified for the 2008–09 Grand Prix of Figure Skating Final, held in Goyang, South Korea. The Grand Prix series set the stage for the 2009 European Figure Skating Championships, the 2009 Four Continents Figure Skating Championships, the 2009 World Junior Figure Skating Championships, and the 2009 World Figure Skating Championships, as well as each country's national championships. The Grand Prix series began on October 23, 2008 and ended on December 14, 2008. The Grand Prix was organized by the International Skating Union. Skaters competed for prize money and for a chance to compete in the Grand Prix Final. The corresponding series for Junior-level skaters was the 2008–09 ISU Junior Grand Prix.

Inverness Caledonian Thistle F.C. in their 15th season in Scottish football competing in the Scottish Premier League, Scottish League Cup and the Scottish Cup in season 2008–09.

2008–09 Italian Women's Cup

The 500 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over 13 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009.

2008–09 Iran Football's 2nd Division

The 2008–09 ISAF Sailing World Cup was a series of sailing regattas staged during 2008–09 season. The series featured boats which feature at the Olympics and Paralympics.

2008–09 Hoofdklasse

2008–09 Indiana Hoosiers men's basketball team

2008–09 Kvalserien

The 2008–09 Israel State Cup (Hebrew: גביע המדינה‎, Gvia HaMedina) was the 70th season of Israel's nationwide football cup competition and the 55th after the Israeli Declaration of Independence. The competition was won by Beitar Jerusalem who had beaten Maccabi Haifa 2–1 in the final. As Beitar Jerusalem wasn't eligible for participating in UEFA competitions, and as runners-up Maccabi Haifa already qualified to 2009–10 UEFA Champions League, all Europa League spots were awarded to teams according to their league positions.

2008–09 IUPUI Jaguars men's basketball team

2008–09 ISU Speed Skating World Cup – World Cup 8

Irish Cup

The Israeli Basketball Super League (BSL) 2008-2009 season was the 55th season of the top basketball league in Israel. The season began on 26 October 2008 and ended on 21 May 2009. Maccabi Tel Aviv won its 48th league title, defeating Maccabi Haifa Heat 85-72 in the final. The defending champion was Hapoel Holon. The four last ranked team competed in a best-of-5 series relegation playoff, whereElitzur Kiryat Ata and Maccabi Giv'at Shmuel lost and were relegated to Liga Leumit. They will be replaced by Maccabi Elitzur Netanya and Hapoel Afula, who qualified from Liga Leumit.

The LEN Euroleague 2008-09 is the 46th edition of Europe's premier club water polo competition.

The fourth competition weekend of the 2008–09 ISU Speed Skating World Cup was a two-day event focusing on the shorter distances, held at the in Changchun, China, from Saturday, 6 December, until Sunday, 7 December 2008. It was the first World Cup competition at this rink, which was also used during the 2007 Asian Winter Games.

The seventh competition weekend of the 2008–09 ISU Speed Skating World Cup was held in the in Erfurt, Germany, from Friday, 30 January, until Sunday, 1 February 2009.

The 2008–09 ISU Junior Grand Prix was the 12th season of the ISU Junior Grand Prix, a series of international junior level competitions organized by the International Skating Union. It was the Junior-level complement to the 2008–09 ISU Grand Prix of Figure Skating, which was for Senior-level skaters. Skaters competed in the disciplines of men's singles, ladies' singles, pair skating, and ice dance.

The 1000 metres distance for women in the 2008–09 ISU Speed Skating World Cup was contested over 10 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Christine Nesbitt of Canada won the cup, while fellow Canadian Kristina Groves came second, and Laurine van Riessen of the Netherlands came third.

2008–09 ISU Speed Skating World Cup – Competition 5

The 2008–09 Iowa Hawkeyes women's basketball team represented the University of Iowa during the 2008–09 NCAA Division I women's basketball season. The Hawkeyes finished the season with a record of 21–11, 13–5 in Big Ten, and finished the regular season tied for second place in the Big Ten. They advanced to the semifinals of the Big Ten Women's Basketball Tournament where they lost to Ohio State. They received at-large bid of the NCAA Women's Tournament where they lost in the first round, to Georgia Tech.

2008–09 Iranian Basketball Super League

The 2008–09 International Hockey League season was the 18th season of the International Hockey League (Colonial Hockey League before 1997, United Hockey League before 2007), a North American minor professional league. Six teams participated in the regular season and the Fort Wayne Komets won the league title.

2008–09 LEB Oro season

2008–09 ISU Speed Skating World Cup – World Cup 1

2008–09 ISU Speed Skating World Cup – World Cup 9

The sixth competition weekend of the 2008–09 ISU Speed Skating World Cup was a two-day event focusing on the shorter distances, held at the Kometa Ice Rink in Kolomna, Russia, from Saturday, 24 January, until Sunday, 25 January 2009.

2008–09 ISU Speed Skating World Cup – Men's 1500 meters

2008–09 KK Partizan season

2008–09 Indonesia Super League U-21

2008–09 Illinois State Redbirds men's basketball team

2008–09 Hull City A.F.C. season

2008–09 ISU Speed Skating World Cup – Men's 500 meters

2008–09 Iran 2nd Division

The 2008–09 IUPUI Jaguars men's basketball team is a National Collegiate Athletic Association Division I college basketball team representing Indiana University-Purdue University Indianapolis. IUPUI was picked to finish fourth in The Summit League's preseason poll. Oral Roberts was voted to finish first and North Dakota State second. Senior guard Gary Patterson was named to the Preseason All-League Second Team.

2008–09 ISU Speed Skating World Cup – World Cup 2

The 2008–09 IRB Sevens World Series was the tenth of an annual IRB Sevens World Series of rugby union sevens tournaments for full national sides run by the International Rugby Board since 1999–2000. South Africa clinched the 2008–09 World Series, its first Series title. The defending series champions New Zealand finished fourth. Sevens is traditionally played in a two-day tournament format. However, the most famous event, the Hong Kong Sevens, is played over three days, largely because it involves 24 teams instead of the normal 16. Starting in 2008–09, the Australia leg (which involves the normal 16 teams) was spread out over a three-day period.

2008–09 Hong Kong Senior Challenge Shield

2008–09 Kansas State Wildcats men's basketball team

2008–09 LEN Cup

The 2008–09 ISU Junior Grand Prix was the 12th season of the ISU Junior Grand Prix, a series of international junior level competitions organized by the International Skating Union. It was the Junior-level complement to the 2008–09 ISU Grand Prix of Figure Skating, which was for Senior-level skaters. Skaters competed in the disciplines of men's singles, ladies' singles, pair skating, and ice dance. Skaters earned points towards qualification at each of the eight Junior Grand Prix events. The top eight skaters/teams in the series from each discipline met at the Junior Grand Prix Final. For the first time, the Junior Grand Prix Final was held concurrently with the senior Grand Prix Final.

2008–09 Las Vegas Wranglers season

The 2008–09 Indiana Hoosiers men's basketball team represented Indiana University. The head coach was Tom Crean. The team played its home games in the Assembly Hall in Bloomington, Indiana, and was a member of the Big Ten Conference. The Big Ten Network included the team in a two-and-a-half-hour special that featured Midnight Madness events from several Big Ten campuses on October 17, 2008, the Indiana event to kick of the season was called "Hoosier Hysteria". The Hoosiers defeated the Northwestern St. Demons on November 14 in Head Coach Tom Crean's opening game.

2008–09 Kuwait Federation Cup

2008–09 KF Tirana season

The 2008–09 ISU Grand Prix of Figure Skating was a series of six international invitational competitions in the 2008–09 season. Skaters competed in the disciplines of men's singles, ladies singles, pair skating, and ice dancing on the senior level. At each event, skaters earned points based on their placements and the top six scoring skaters or teams at the end of the series qualified for the 2008–09 Grand Prix of Figure Skating Final, held in Goyang, South Korea.

Isthmian League Cup

The 2008-09 IIHF European Women's Champions Cup was the fifth playing of the IIHF European Women's Champions Cup. of Russia won the tournament for the first time.

2008–09 Japan Junior Figure Skating Championships

The 2008–09 Jordan League is the 58th season of the top-flight football in Jordan.

2008–09 Iowa State Cyclones men's basketball team

2008–09 LEB Plata season

2008–09 Isle of Man League

The women's team pursuit in the 2008–09 ISU Speed Skating World Cup was contested over three races on three occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the last occasion involving the event taking place in Erfurt, Germany, on 30 January – 1 February 2009. The Czech Republic won the cup, while the United States came second, and the Netherlands came third. The defending champions, Canada, ended up in eighth place.

2008–09 LKL season

The 1500 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over six races on six occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Shani Davis of the United States defended his title from the previous season, while fellow American Trevor Marsicano came second, and Håvard Bøkko of Norway came third.

2008–09 KHL season

2008–09 Israeli Noar Leumit League

The 2008–09 Indiana Hoosiers men's basketball team represented Indiana University. The head coach was Tom Crean. The team played its home games in the Assembly Hall in Bloomington, Indiana, and was a member of the Big Ten Conference. The Big Ten Network included the team in a two-and-a-half-hour special that featured Midnight Madness events from several Big Ten campuses on October 17, 2008, the Indiana event to kick of the season was called "Hoosier Hysteria". The Hoosiers defeated the Northwestern St. Demons on November 14 in Head Coach Tom Crean's opening game. In November 2008, the NCAA imposed a three-year probation on the Indiana men's basketball program and upheld the school's self-imposed sanctions stemming from the actions of former head coach Kelvin Sampson and his staff. School athletic director Rick Greenspan resigned. There was no ban for the program in television, scholarships or post-season play.

2008–09 LEB season

The 2008–09 Iowa Hawkeyes men's basketball team represented The University of Iowa in the 2008–09 college basketball season. The team was led by head coach Todd Lickliter. The team played their home games at Carver-Hawkeye Arena, which the team has done since 1983.

The 2008–09 Irish Cup was the 129th edition of Northern Ireland's premier football knock-out cup competition. The competition began on 25 October 2008 with the first round and ended on 9 May 2009 with the final. Linfield were the defending champions, winning their third consecutive Irish Cup the previous season after a 2–1 win over Coleraine in the 2008 final. This season they reached the semi-finals, but were defeated by Cliftonville. Crusaders went on to lift the trophy, beating Cliftonville 1–0 in the final. In doing so, they earned a place in the second qualifying round of the 2009–10 UEFA Europa League.

The 2008–09 Iowa State Cyclones women's basketball team represented Iowa State University in the 2008–09 NCAA Division I women's basketball season. The Cyclones were coached by Bill Fennelly and played their home games at the Hilton Coliseum in Ames, Iowa. The Cyclones are a member of the Big 12 Conference (North Division). The Cyclones participated in the Waikiki Beach Marriott Classic (from November 28–30) and the Cyclone Challenge (from December 29–30).

The 2008–09 KFC Twenty20 Big Bash was the 4th season of the official Twenty20 domestic cricket competition in Australia. Six teams representing six states in Australia participated in the competition. The competition began on 26 December 2008 when the Queensland Bulls took on the New South Wales Blues at the Brisbane Cricket Ground (Gabba). This season comprised 15 regular matches, a preliminary final and a final, the same as was in the 2007–08 season except with the addition of the preliminary final.

2008–09 ISU Speed Skating World Cup – World Cup 3

The 2008–09 SEB Korvpalli Meistriliiga is the 18th season of the Estonian basketball league and the fifth under the title sponsorship of SEB. Including the competition's previous incarnations, this is the 84th season of the Estonian men's basketball league. TÜ/Rock came into the season as defending champions of the 2007–08 KML season. The season started on 15 October 2008 and concluded on 1 June 2009 with Kalev/Cramo defeating TÜ/Rock 4 games to 2 in the 2009 KML Finals to win their 3rd Estonian League title.

The 2008–09 Dongbu Promy Professional Basketball season was the 13th season of the Korean Basketball League.

The eighth competition weekend of the 2008–09 ISU Speed Skating World Cup was a two-day event focusing on allround-events, held in Thialf, Heerenveen, Netherlands, from Saturday, 14 February, until Sunday, 15 February 2009.

The 2008–09 version of the Jordan FA Cup was the 29th edition to be played. It is the premier knockout tournament for football teams in Jordan. Al-Faisaly (Amman) went into this edition as the winner from 2007–08 and the club with the most number of wins, 16. The cup winner were guaranteed a place in the 2010 AFC Cup.

2008–09 IHL season

The 2008–09 ISU Speed Skating World Cup, officially the Essent ISU World Cup Speed Skating 2008–2009, was a series of international speed skating competitions which ran the entire season. The season started on 7 November 2008 in Berlin, Germany, and ended on 7 March 2009 in Salt Lake City, United States. In total, nine competition weekends were held at eight different locations, twelve cups were contested (six for men, and six for women), and 84 races took place. The World Cup is organized by the International Skating Union (ISU).

The 2008-09 Latvian Hockey League season was the 18th season of the Latvian Hockey League, the top level of ice hockey in Latvia. Eight teams participated in the league, and HK Liepājas Metalurgs won the championship.

2008–09 LEN Euroleague

Hong Kong League Cup 2008–09 is the 9th Hong Kong League Cup. All teams of Hong Kong First Division League 2008–09 will play in this competition.
2008–09 Hong Kong League Cup

2008–09 Isthmian League

2008–09 ISU Speed Skating World Cup – Competition 3

The 2008–09 KNVB Cup was the 91st season of the Dutch national football knockout tournament. The defending champions were Feyenoord. The competition started on 30 August 2008 and ended with sc Heerenveen winning the Final in Rotterdam on 17 May 2009.

The 2008–09 season of the Israeli Futsal League was the 3rd season of top-tier futsal under the Israel Football Association and 9th overall. The regular season started on 16 December 2008 and was concluded on 31 March 2009. The championship playoffs began on 7 April 2009 with semi-finals series and concluded with the championship final series from 6–14 May. were the defending champions but lost the title by losing to on goal difference in the 2008–09 Championship Final series.

The 2008–09 season was Hull City's first ever season in the Premier League. Home games were played at the KC Stadium, which has a capacity of 25,404. On Friday 6 June 2008 Hull City announced they had sold out all 20,500 season tickets. Hull City's first ever top-flight fixture was a home game against Fulham, which they won 2–1. City finished the season in 17th place in the table, successfully avoiding relegation by the narrow margin of one point over Newcastle United. In the FA Cup, Hull reached the quarterfinals stage for the first time in 38 years, where they were knocked out by Arsenal with a controversial offside goal.

The 100 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over four races on four occasions, out of a total of nine World Cup occasions for the season, with the first occasion involving the distance taking place in Changchun, China, on 6–7 December 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Yūya Oikawa of Japan won the cup, while Yu Fengtong of China came second, and the defending champion, Lee Kang-seok of South Korea, had to settle for third place.

The 1000 metres distance for women in the 2008–09 ISU Speed Skating World Cup was contested over 10 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Christine Nesbitt of Canada won the cup, while fellow Canadian Kristina Groves came second, and Laurine van Riessen of the Netherlands came third. Defending champion Anni Friesinger of Germany was injured in bicycle accident in the summer of 2008, leading to an operation to her right knee. Having recovered, she made a strong return to the World Cup towards the end of the season, and finished in eighth place after winning the last two races.

2008–09 Houston Cougars women's basketball team

The 2008-09 Icelandic Hockey League season was the 18th season of the Icelandic Hockey League, the top level of ice hockey in Iceland. Three teams participated in the league, and Skautafelag Reykjavikur won the championship.

2008–09 Illinois Fighting Illini men's basketball team

2008–09 Iraqi Premier League

The third competition weekend of the 2008–09 ISU Speed Skating World Cup was held at the Krylatskoye ice rink in Moscow, Russia, from Saturday, 22 November, until Sunday, 23 November 2008.

The 100 metres distance for women in the 2008–09 ISU Speed Skating World Cup was contested over four races on four occasions, out of a total of nine World Cup occasions for the season, with the first occasion involving the distance taking place in Changchun, China, on 6–7 December 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Jenny Wolf of Germany successfully defended her title, while Thijsje Oenema of the Netherlands came second, and Xing Aihua of China came third.

The following is the standings of the Iran Football's 2nd Division 2008–09 football season.

2008–09 I liga

2008–09 Israeli Hockey League season

The first competition weekend of the 2008–09 ISU Speed Skating World Cup was held in the Sportforum Hohenschönhausen in Berlin, Germany, from Friday, 7 November, until Sunday, 9 November 2008.

The 2008–09 Isle of Man League was the 100th season of Football league on the Isle of Man. There were two tiers of men's football, consisting 27 clubs, the Sure Mobile Premier League and the CFS Division Two. There were six senior cup competitions – the Manx FA Cup, Railway Cup, Hospital Cup, Woods Cup, Paul Henry Gold Cup and the Charity Shield. Each club had a reserve team in the , and they compete in the Junior Cup. There was also the Cowell Cup, an annual Under-19 tournament.

2008–09 Irish Ice Hockey League season

2008–09 Kazakhstan Hockey Championship

2008–09 Iowa Hawkeyes men's basketball team

The 2008–09 Kuwaiti Premier League season was the 47th since its establishment. The first matches of the season started on Saturday 4 October 2008. The league has also been extended so that clubs will play each other three times this season.

2008–09 ISU Speed Skating World Cup – World Cup 4

Hong Kong Senior Challenge Shield 2008–09, officially named as Eisiti Senior Shield (Chinese: 上清飲高級組銀牌) due to the competition's sponsorship by Xiangxue Pharmaceutical, was the 107th season of one of the Asian oldest football knockout competition, Hong Kong Senior Challenge Shield. It was a knockout competition for all the teams of Hong Kong First Division League. The winner would qualify for AFC Cup 2010, if it was a full member of The Hong Kong Football Association. The final match was held in Hong Kong Stadium on 21 December 2008. The tournament was won by TSW Pegasus, who beat Convoy Sun Hei 3–0 in the final, thanks to two goals from Guy Junior Ondoua and one from Beto. Since TSW Pegasus was not a full member of the Hong Kong Football Association, the AFC Cup 2010 qualification of it was not confirmed before the final of 2008–09 Hong Kong FA Cup.

2008–09 ISU Speed Skating World Cup – Women's 500 metres

2008–09 ISU Speed Skating World Cup

2008–09 Inverness Caledonian Thistle F.C. season

The 2008–09 Israeli Women's Cup (Hebrew: גביע המדינה נשים‎, Gvia HaMedina Nashim) was the 11th season of Israel's women's nationwide football cup competition. The competition was won, for the 7th consecutive time, by Maccabi Holon who had beaten ASA Tel Aviv University 4–2 in the final.

2008–09 Inter Milan season

2008–09 Lebanese Second Division

2008–09 ISU Speed Skating World Cup – Men's 1000 meters

2008–09 KBL season

2008–09 ISU Speed Skating World Cup – Women's 1500 metres

2008–09 ISU Speed Skating World Cup – Men's 5000 and 10000 meters

2008–09 ISU Speed Skating World Cup – Women's 100 meters

2008–09 KS Dinamo Tirana season

The second competition weekend of the 2008–09 ISU Speed Skating World Cup was held in Thialf in Heerenveen, Netherlands, from Friday, 14 November, until Sunday, 16 November 2008.

2008–09 Honduran Liga Nacional

2008–09 ISU Speed Skating World Cup – Competition 4

The 2008–09 Illinois Fighting Illini men's basketball team represented University of Illinois at Urbana–Champaign in the 2008–09 NCAA Division I men's basketball season. This was head coach Bruce Weber's sixth season at Illinois.

2008–09 Kuwaiti Premier League

The 2008–09 Illinois State Redbirds men's basketball team represents Illinois State University in the 2008-09 NCAA Division I men's basketball season. The team, which plays in the Missouri Valley Conference (MVC), is led by second-year head coach Tim Jankovich. In 2007-08, the Redbirds finished 25-10 (13-5 in the MVC).

2008–09 ISU Speed Skating World Cup – Women's 3000 and 5000 meters

The 2008–09 Hong Kong First Division League season, known as Coolpoint Ventilation First Division (Chinese: 快意空調甲組聯賽) for sponsorship reasons, was the 97th since its establishment in 1908. It began on 6 September 2008 and ended on 10 May 2009. The unveiling match was contested by the defending champions South China, and the runners-up of last season Citizen. They made a 1–1 draw, scored by Sandro of Citizen and Detinho of South China. Three new teams joined the league as competition members, including Fourway, TSW Pegasus and Xiangxue Eisiti. The league consisted of 13 teams, the most since the 1979–80 season.

2008–09 LNB season

The 2017–18 Honduran Liga Nacional season was the 43rd Honduran Liga Nacional edition since its establishment in 1965. For this season, the system format remained the same as the previous season. The tournament ran from 26 July 2008 to 24 May 2009. The season was divided into two halves (Apertura and Clausura), each crowning one champion. C.D. Marathón and Club Deportivo Olimpia won one tournament each and qualified to the 2009–10 CONCACAF Champions League. Additionally, Real C.D. España also qualified with the best non-champion record as Belizean teams failed the CONCACAF stadium requirements.

2008–09 ISU Speed Skating World Cup – Women's 1000 metres

The 2008–09 season was Klubi i Futbollit Tirana's 70th competitive season, 70th consecutive season in the Albanian Superliga and 88th year in existence as a football club.

In the 2008–09 season, Partizan Belgrade will compete in the Basketball League of Serbia, Radivoj Korać Cup, Adriatic League and Euroleague.

2008–09 KFC Twenty20 Big Bash

2008–09 Israeli Basketball Super League

2008–09 Hong Kong Third Division League

2008–09 Isthmian League Cup

2008–09 ISU Grand Prix of Figure Skating

2008–09 IIHF Continental Cup

2008–09 ISU Speed Skating World Cup – Competition 8

2008–09 Hungarian Cup

2008–09 Iowa Hawkeyes women's basketball team

The 500 metres distance for women in the 2008–09 ISU Speed Skating World Cup was contested over 13 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Jenny Wolf of Germany successfully defended her title, while Margot Boer of the Netherlands came second. Lee Sang-hwa of South Korea repeated her third place from the previous season.

2008–09 ISU Speed Skating World Cup – Competition 1

The 2008–09 season was Football Club Internazionale Milano's 100th in existence and 93th consecutive season in the top flight of Italian football.

2008–09 Irish Cup

2008–09 Kent State Golden Flashes men's basketball team

2008–09 ISU Speed Skating World Cup – Men's 5000 and 10000 metres

The 2008–09 KHL season was the inaugural season of the Kontinental Hockey League. It started on September 2, 2008, and finished on April 12, 2009. 24 teams each played 56 games.

The fifth competition weekend of the 2008–09 ISU Speed Skating World Cup was a two-day event focusing on the shorter distances, held at the M-Wave arena in Nagano, Japan, from Saturday, 13 December, until Sunday, 14 December 2008. It was the second and last World Cup in Asia of this season.

The 2008–09 season was the 94th season of the Isthmian League, which is an English football competition featuring semi-professional and amateur clubs from London, East and South East England.

2008–09 ISU Speed Skating World Cup – Women's team pursuit

The 2008–09 Kansas State Wildcats men's basketball team represented Kansas State University in the 2008–09 college basketball season. The team was led by second-year head coach Frank Martin. The team played their home games at Bramlage Coliseum, which the team has done since 1988.

The 2008–09 Iranian Futsal 1st Division will be divided into two phases. The league will also be composed of 18 teams divided into two divisions of 9 teams each, whose teams will be divided geographically. Teams will play only other teams in their own division, once at home and once away for a total of 18 matches each.

2008–09 LA Clippers season

The 2008–09 Israeli Noar Leumit League was the 13th season since its introduction in 1994. It is the top-tier football in Israel for teenagers between the ages 18–20. Maccabi Haifa won the title, whilst Bnei Yehuda and Hapoel Be'er Sheva were relegated.

2008–09 LA Lakers season

2008–09 Israeli Women's Cup

2008–09 Inter-Provincial Twenty20

The 2008–09 IRB Sevens World Series was the tenth of an annual IRB Sevens World Series of rugby union sevens tournaments for full national sides run by the International Rugby Board since 1999–2000. South Africa clinched the 2008–09 World Series, its first Series title. The defending series champions New Zealand finished fourth.

2008–09 Korisliiga season

2008–09 Israeli Final Four

The 2008–09 Hong Kong First Division League season, known as Coolpoint Ventilation First Division (Chinese: 快意空調甲組聯賽) for sponsorship reasons, was the 97th since its establishment in 1908. It began on 6 September 2008 and ended on 10 May 2009. The unveiling match was contested by the defending champions South China, and the runners-up of last season Citizen. They made a 1–1 draw, scored by Sandro of Citizen and Detinho of South China.

2008–09 Iranian Volleyball Super League

The 2008–09 LEB season is the 13th season of the Liga Española de Baloncesto. The 612-game regular season (34 games for each of the 18 teams) began on Thursday, September 18, 2008, and will end on Friday, May 15, 2009. The champion of the regular season will be promoted to ACB. The teams between 2nd and 9th position will play a best of 3 games play off to see who plays the Final Four. Two bottom teams will be relegated to LEB Plata.

2008–09 KML season

2008–09 Lebanese Premier League

2008–09 ISU Speed Skating World Cup – Men's 100 meters

The 1500 metres distance for women in the 2008–09 ISU Speed Skating World Cup was contested over six races on six occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Kristina Groves of Canada successfully defended her title from the previous season, while Daniela Anschütz-Thoms of Germany came second, and Christine Nesbitt of Canada, the previous season's runner-up, came third.

2008–09 ISU Speed Skating World Cup – Women's 1000 meters

Hong Kong Senior Challenge Shield 2008–09, officially named as Eisiti Senior Shield (Chinese: 上清飲高級組銀牌) due to the competition's sponsorship by Xiangxue Pharmaceutical, was the 107th season of one of the Asian oldest football knockout competition, Hong Kong Senior Challenge Shield. It was a knockout competition for all the teams of Hong Kong First Division League. The winner would qualify for AFC Cup 2010, if it was a full member of The Hong Kong Football Association.

The 2008–09 I liga is the 1st season of the Polish I liga under its current title (new name), and the 61st season of the second highest division in the Polish football league system since its establishment in 1949. Formerly, the league was known as the II liga (while the current II liga was known as the III liga). The league is operated by the Polish Football Association (PZPN). The league is contested by 18 teams who competing for promotion to the 2009–10 Ekstraklasa.

The 1000 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over 10 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Shani Davis of the United States defended his title from the previous season, while Denny Morrison of Canada repeated his second place, and Stefan Groothuis of the Netherlands came third. On the last competition weekend of the season, Davis set a new world record of 1:06.42.

2008–09 Iran Premier League

2008–09 ISU Speed Skating World Cup – Women's 500 meters

The 1000 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over 10 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Shani Davis of the United States defended his title from the previous season, while Denny Morrison of Canada repeated his second place, and Stefan Groothuis of the Netherlands came third.

2008–09 ISU Speed Skating World Cup – Men's 500 metres

2008–09 Kit Premier League

2008–09 IRB Sevens World Series

2008–09 ISU Speed Skating World Cup – Women's 1500 meters

2008–09 Israeli Futsal League

2008–09 KNVB Cup

2008–09 ISU Short Track Speed Skating World Cup

2008–09 ISU Speed Skating World Cup – Competition 2

2008–09 Israel State Cup

2008–09 Latvian Hockey League season

2008–09 Israeli Premier League

The 500 metres distance for men in the 2008–09 ISU Speed Skating World Cup was contested over 13 races on seven occasions, out of a total of nine World Cup occasions for the season, with the first occasion taking place in Berlin, Germany, on 7–9 November 2008, and the final occasion taking place in Salt Lake City, United States, on 6–7 March 2009. Yu Fengtong of China won the cup, while Keiichiro Nagashima of Japan came second, and Tucker Fredricks of the United States came third. Defending champion Jeremy Wotherspoon of Canada suffered an arm injury in race 2 of the first occasion, which stopped him from participating in the rest of the World Cup season.

2008–09 ISU Speed Skating World Cup – Men's team pursuit

2008–09 ISAF Sailing World Cup

2008–09 ISU Speed Skating World Cup – World Cup 5

2008–09 LNAH season

2008–09 ISU Speed Skating World Cup – Competition 9