Pedro Pablo Morales Jr. (born December 5, 1964) is an American former competitive swimmer. He set world records in the 100-meter butterfly in 1984 and 1986. He was the 100-meter butterfly gold medalist at the 1992 Olympic Games, as well as winning 4 × 100 meter medley relay gold medals at both the 1984 and 1992 Olympic Games. He also won 100-meter butterfly and 4 × 100 meter medley relay gold medals at the 1986 World Championships.