Conor James Dwyer (born January 10, 1989) is an American competition swimmer and Olympic gold medalist.
He competes in freestyle and medley events, and won a gold medal as a member of the winning U.S.
4×200-meter freestyle relay team at the 2012 Summer Olympics.
In total, he has won seventeen medals in major international competitions: nine gold, six silver, and two bronze spanning the Summer Olympics, the FINA World Championships, the Pan Pacific Championships, and the Pan American Games.
Dwyer placed second at the 2016 US Olympic Swimming Trials in the 400m freestyle.On 11 October 2019 it was announced by USADA that Dwyer had failed a series of anti-doping tests in late 2018.
It had been found that he had banned anabolic steroids, namely tesosterone in the form of pellets, surgically inserted into his body.
Dwyer was banned for 20 months and will miss the 2020 Summer Olympics.