John O. Underman[1] (August 17, 1925 – October 23, 1969)[2][3] was an American basketball player.

Underman was selected in the 1947 BAA draft by the St. Louis Bombers after a collegiate career at Ohio State (OSU), although he never played professionally.

[4][5] Underman went to West High School in Columbus prior to choosing hometown OSU for college.

[6] He led the Big Nine Conference in scoring as a junior in 1945–46, the same season the Buckeyes made the NCAA Final Four and won the Third Place game.

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