Roy A. Sommer (born April 5, 1957) is an American former professional ice hockey player who played three games for the Edmonton Oilers of the NHL in 1981. He is currently the head coach of the American Hockey League's San Jose Barracuda, a position he has held from 1998 to 2019 and since 2020. The Barracuda, the AHL affiliate of the San Jose Sharks, have also been known as the Kentucky Thoroughblades, Cleveland Barons, Worcester Sharks throughout his tenure. He is the longest tenured head coach with the same organization in the AHL and has the most AHL wins as head coach.