Alvan Leigh Adams (born July 19, 1954) is an American former professional basketball player. After playing college basketball for the Oklahoma Sooners, the power forward/center was selected by the Phoenix Suns with the 4th pick of the 1975 NBA draft. Adams was a rookie on a Suns team whose season included an improbable playoff run that took them all the way to the 1976 NBA Finals. In the same year, he was selected to play in the All-Star Game and won the NBA Rookie of the Year Award as well as being named to the All-NBA Rookie Team. Adams spent his entire career with the Suns and retired in 1988 as the second all-time Suns scorer with 13,910 career points.