| Colleen Lanné | |
| Fullname: | Colleen Anne Lanné |
| Strokes: | Freestyle |
| Collegeteam: | Texas Longhorns |
| Birth Date: | August 18, 1979 |
| Birth Place: | Tucson, Arizona |
| Height: | 5feet |
| Weight: | 145lb |
Colleen Anne Lanné (born August 18, 1979) is an American former competition swimmer who represented the United States in the Olympics, FINA world championships and Pan American Games. She competed internationally in freestyle swimming events.
Lanné qualified for the 2004 U.S. Olympic team in the 4×100-meter freestyle relay after finishing fifth in the 100-meter freestyle at the 2004 U.S. Olympic Trials. She earned a silver medal at the 2004 Summer Olympics in Athens, by swimming for the second-place U.S. team in the preliminary heats of the women's 4×100-meter freestyle relay.
In 2002, Lanne' was a silver medalist in the 4×200-meter freestyle relay at the Short Course World Championships. She won a silver in the 200-meter freestyle, as well as gold medals in the 4×100-meter and 4×200-meter freestyle relays at the 2003 Pan American Games.
Lanné attended the University of Texas at Austin, where she swam for the Texas Longhorns swimming and diving team.