William W. Ullery

William Warner "Jiggs" Ullery (May 2, 1897 – December 23, 1989) was an American football player and college football and basketball coach. He played one season for the Dayton Triangles of the National Football League (NFL) in 1922.

Ullery served as the head football coach (1928–1934) and head men's basketball coach (1929–1934) at Susquehanna University in Selinsgrove, Pennsylvania.