Patrick Lloyd Rupp (August 12, 1942 – February 2, 2006) was an American ice hockey goaltender. He played one game in the National Hockey League with the Detroit Red Wings during the 1963–64 season, on March 22, 1964 against the Toronto Maple Leafs. The rest of his career, which lasted from 1963 to 1980, was mainly spent in the International Hockey League. Internationally Rupp played for the American national team at the 1964 and 1968 Winter Olympics.