Daniel Ketchum (born October 7, 1981) is an American former swimmer and Olympic gold medalist. At the 2004 Summer Olympics in Athens, Greece, Ketchum earned a gold medal by swimming for the winning U.S. team in the men's 4×200-meter freestyle relay. He assumed the role of head coach of the swim team at Loveland High School starting in the 2009-10 high school swim season. During his first season as head coach he led the Tigers to their best results in history at the 2010 OHHSA Swimming and Diving Championship Meet where his boys finished seventh overall and the girls finished 14th overall.