Mario Montoya (born August 18, 1989 in San José, Costa Rica) is an Olympic and national record holding swimmer from Costa Rica.
He represented native country at the:
2008 Olympics and 2012 Olympics,
2007 Pan American Games,
2007 World Championships, and
2006 Central American and Caribbean GamesAs of July 2018, he holds the Costa Rican record in the 100 m, 200 m and 800 m freestyle and the 100 m backstroke in long course swimming and the 200 m freestyle short course.