| Jay Mortenson | |
| Fullname: | Jay Paul Mortenson |
| National Team: | United States |
| Strokes: | Backstroke, butterfly |
| Collegeteam: | Stanford University |
| Birth Date: | September 26, 1966 |
| Height: | 6feet |
| Weight: | 190lb |
Jay Paul Mortenson (born September 26, 1966) is an American former competition swimmer and Olympic gold medalist. He earned a gold medal by swimming for the winning U.S. team in the preliminary heats of the men's 4×100-meter medley relay at the 1988 Summer Olympics in Seoul, South Korea. He also finished sixth in the final of the men's 100-meter butterfly, and eleventh overall in the B Final of the men's 100-meter backstroke.[1]