Johnny Guenther (January 13, 1936 – June 27, 2018) was an American professional ten-pin bowler from Edmonds, Washington and a member of the Professional Bowlers Association (PBA). He is a member of both the PBA and USBC Halls of Fame. Guenther had 11 PBA Tour titles in his career, including one major championship, and rolled the PBA’s second-ever televised 300 game.