Jarrod Thomas Marrs (born May 28, 1975) is an American former competition swimmer who specialized in breaststroke events. He twice competed at the Pan American Games (1999 and 2003), winning a silver medal in the men's 100-meter breaststroke in both, and won a gold medal at the 2000 FINA Short Course World Championships as a member of the first-place U.S. team in the 4x100-meter medley relay. While he was a college student at Louisiana State University (LSU), he competed for the LSU Tigers swimming and diving team.