Charles "Charlie" Houchin (born November 3, 1987) is an American former competition swimmer who has had his greatest international success in freestyle relay events.
He earned a gold medal as a member of the winning United States team in the 4×200-meter freestyle relay at the 2012 Summer Olympics.
He is the CEO and founder of HydroXphere (pronounced "Hydrosphere").
Their product, Meet Central, is a mobile app that can operate an entire swim meet from iPhones.