Bill O'Brien (American football, born 1924)
# Bill O'Brien (American football, born 1924)

William George O'Brien (August 25, 1924 – May 8, 2005) was an American football player.

Born in Detroit, O'Brien attended University of Detroit Jesuit High School. He played professional football in the National Football League as a halfback for the Detroit Lions. He appeared in nine games for the Lions during the 1947 season.

