William Arthur Masse (born July 6, 1966) is a retired professional baseball outfielder who competed for the United States national baseball team in the 1988 Summer Olympics. A native of Manchester, Connecticut, Masse attended Davidson College and Wake Forest University. From 1985 to 1987, he played collegiate summer baseball with the Cotuit Kettleers of the Cape Cod Baseball League and was named a league all-star in 1985 and 1987.