Norm Duke (born March 25, 1964) is an American professional bowler currently competing on the Professional Bowlers Association (PBA) Tour and the PBA50 Tour. He has won 40 titles on the PBA Tour, including seven major championships, and another five titles (two of them majors) on the PBA50 Tour. A member of both the PBA and USBC Halls of Fame, Duke is one of only three players in history to reach 40 career PBA Tour titles. He has bowled 73 perfect 300 games in PBA competition, including the 15th televised 300 game in PBA Tour history on January 5, 2003. Duke is a member of the Storm pro staff.