Paul Theriault (born 1950) is a Canadian former ice hockey coach. He served as an assistant coach in the National Hockey League with the Buffalo Sabres during the 1996–97 NHL season. Theriault is the longest-serving coach in the history of the Oshawa Generals of the Ontario Hockey League (OHL). He also served as an OHL head coach for both the Erie Otters and Sault Ste. Marie Greyhounds. Theriault was awarded the 1986–87 Matt Leyden Trophy as the OHL Coach of the Year.