John Barr (basketball)

John Evans Barr (August 8, 1918 – July 1, 2002) was an American professional basketball player and coach. He played college basketball for the Penn State Nittany Lions.

Barr played for the St. Louis Bombers of the Basketball Association of America (BAA) for 58 games during the 1946–47 season. He was player-coach for the Sunbury Mercuries of the Eastern Professional Basketball League (EPBL) during the 1948–49 season. He led the Mercuries to a 9–21 record during his only season as head coach of the team.

Barr served as head coach of the Susquehanna River Hawks men's basketball team from 1957 to 1969, compiling a 107–115 record.

He is credited for having the first buzzer-beating game winner in the history of the league that is now the NBA.