William Randolph "Sonny" Hill (born July 22, 1936) is a former basketball player and announcer. He is a member of the Philadelphia Sports Hall of Fame, and current sports radio personality for WIP-AM 610 in Philadelphia. He also serves as an executive advisor for the Philadelphia 76ers. He is known as Mr. Basketball in Philadelphia for founding the eponymous Sonny Hill League and for his many contributions to the game.