William French may refer to:
William H. French (1815–1881), Union general in the American Civil War
Percy French (William Percy French, 1854–1920), Irish entertainer and artist
William French (educator) (1786–1849), master of Jesus College, Cambridge
William French (priest) (1704–1785), Irish Anglican priest, Dean of Ardagh
William French (archdeacon) (1739–1790), Irish Anglican priest, Archdeacon of Kilfenora
William French (merchant) (1732–1802)
William Aden French (1892–1980), American newspaper publisher and author
William M. R. French (1843–1914), director of the Art Institute of Chicago
Bill French (baseball) (William Henry French, 1849–1893), American baseball player
Bill French (footballer) (William Thomas Hunter French, 1884–1972), Australian rules footballer
