Jason Edward Lezak (born November 12, 1975) is an American former competitive swimmer and swimming executive.

Lezak lives in Orange County, California with his wife Danielle and 3 kids who are Ryan, Blake, and Layla.

At the start of the leg, Lezak trailed French anchor Alain Bernard by nearly a full body length.

[9] Lezak also earned his first individual Olympic medal, having tied for bronze with Brazilian swimmer César Cielo Filho in the 100-meter freestyle with a time of 47.67.

His sixth-place finish in the Olympic Trial finals was good enough to reach the London Games as a member of the U.S. 4×100-meter freestyle relay team.

[12] At the 2012 Summer Olympics in London, United Kingdom, Jimmy Feigen, Matt Grevers, Ricky Berens and Lezak swam for the U.S. team in the preliminaries.

Lezak passed up on attending the 2009 World Aquatics Championships to compete in the 18th Maccabiah Games in Israel from July 12 to 29, 2009.

As the top finishing American team, the Condors were led by high scorers Caeleb Dressel and Lilly King.