John O'Brien (basketball, born 1916)

John O'Brien (born 1916, date of death unknown) was an American professional basketball player. O'Brien played in the National Basketball League (NBL) for the Hammond Calumet Buccaneers during the 1938–39 season. In five games, he averaged 1.4 points per game. Further information regarding O'Brien's life, career beyond the NBL, and specific birth and death dates remains limited.