Jason Cooper (born 16 February 1972) is an Australian former swimmer.
A butterfly and freestyle swimmer, Cooper began training around the age of eight and was a student at Brisbane State High School. In 1990 he was a member of the gold medal-winning freestyle relay team at the Auckland Commonwealth Games and won a bronze medal in the 100 metres butterfly. He competed at the 1991 World Championships and made the B final of the 100 metres butterfly. In 1992 he missed selection for the Barcelona Olympic team by 0.05 seconds. He was a national title holder in the 50 metres butterfly, a non-Olympic event.