Balalaika is a 1939 American musical romance film based on the 1936 London stage musical of the same name. Produced by Lawrence Weingarten and directed by Reinhold Schunzel, it starred Nelson Eddy and Ilona Massey. The film follows the romance of Prince Peter Karagin and Lydia Pavlovna Marakova, a singer and secret revolutionary, in Imperial Russia on the eve of World War I. Douglas Shearer was nominated for the 1939 Academy Award for Best Sound Recording.