Nicholas Brewer Thoman (born March 6, 1986) is an American competition swimmer who specializes in the backstroke and is an Olympic gold medalist. He has won two world championships as a member of winning United States medley relay teams at the FINA World Aquatics Championships. He currently holds the world record in the 100-meter backstroke (short course). Thoman has won a total of ten medals in major international competition, four gold, three silver, and three bronze spanning the Olympics, World Championships, Pan Pacific Championships, Pan American Games, and the Summer Universiade. He was a member of the 2012 U.S. Olympic team, and won gold and silver medals at the 2012 Summer Olympics.