William Alva Sibbetts (December 29, 1900 – March 4, 1980) was a Canadian professional ice hockey player. He played with the Edmonton Eskimos of the Western Canada Hockey League. Previously, he played circa 1922 with a hockey team based in South Edmonton (Strathcona). In 1923, he was working as a mechanic. He also played on the Edmonton Outlaws baseball team. He died in 1980 at Riverside County, California.