Mario Montoya (born August 18, 1989 in San José, Costa Rica)[1] is an Olympic and national record holding swimmer from Costa Rica.

He has represented his native country at the: As 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.

Mario obtained a master's degree in Network Administration at Universidad del Turao in Puerto Rico.

He currently works in Microsoft as a Support Engineer.

This biographical article related to a Costa Rican swimmer is a stub.