| Birth Date: | 12 August 1988 |
| Birth Place: | Lodi, California |
| Height: | 6 ft 0 in |
| Sport: | Swimming |
| Event: | Breaststroke |
Sean Mahoney (born August 12, 1988) is an American former breaststroke swimmer.
A native of Rio Vista, California, Mahoney was a collegiate swimmer for West Virginia University and UC Berkeley.[1]
In 2009, Mahoney competed in the Duel in the Pool and came third in the 200 m breaststroke. He placed fifth in the 200 m breaststroke at that year's World University Games, having earlier broken the games record in the semi-finals.[2]
She was given a six-month suspension in 2010 after testing positive for the stimulant methylhexaneamine.[3] At the 2011 Pan American Games in Guadalajara, Mahoney won a gold medal for the United States in the 200 m breaststroke, setting a games record in the process. The previous record was set by Kyle Salyards in 2003.[4] Mahoney won four 200 m breaststroke meets in the 2012 FINA Swimming World Cup.[5]