William Connell may refer to:
William Connell (priest) (died 1762), Anglican priest William Connell (Australian politician) (1891–1945), member of the Tasmanian House of Assembly William Connell (Pennsylvania politician) (1827–1909), U.S. Representative from Pennsylvania William James Connell (1846–1924), U.S. Representative from Nebraska William J. Connell (historian) (born 1958), American historian William J. McConnell (1839–1925), U.S. Senator and Governor of Idaho