The 2016 USA Swimming Olympic trials were held for the third straight quadrennial at CenturyLink Center Omaha in Omaha, Nebraska from June 26 to July 3, 2016. Those qualifying competed for the United States in Swimming at the 2016 Summer Olympics in Rio de Janeiro, Brazil.

Nathan Ghar-jun Adrian is an American competitive swimmer and five-time Olympic gold medalist who formerly held the American record in the long course 50-meter freestyle event.