Sidney Tannenbaum (October 8, 1925 – September 4, 1986) was an American basketball player. A 6′ 0″ guard/forward, Tannenbaum played college basketball at New York University, where he was a two-time All-American and two-time Haggerty Award winner. He also won the 1947 Bar Kochba Award, which honored him as the best Jewish American athlete. He left NYU as the school’s all-time leading scorer, with 992 points. Tannenbaum played two seasons (1947–49) in the Basketball Association of America as a member of the New York Knicks and Baltimore Bullets. He scored 633 points in 70 games and tallied 162 assists. After his basketball career, he owned a machine shop in Far Rockaway, Queens.