James Jack Seminoff (September 1, 1922 – June 12, 2001)[1] was an American professional basketball player.

A 6'2" guard / forward from the University of Southern California, Seminoff earned first-team All-PCC in 1943.

He played four seasons (1946–1950) in the Basketball Association of America as a member of the Chicago Stags and Boston Celtics.

He averaged 6.5 points per game in his career.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1920s is a stub.