Luke Patrick Reilly (born November 23, 1995) is an American-born Canadian medley swimmer. He is an international medalist and a multiple time national champion in multiple events. He was born in Dallas, Texas, and raised in Richmond, British Columbia. He trains with the Vancouver National Swim Centre. In 2015 Luke competed at the Pan Am Games in Toronto. He won a silver medal in the 400IM. He competed at the 2014 Commonwealth Games and finished seventh in the 400 m individual medley and eighth in the same event at the 2014 Pan Pacific Swimming Championships.