William Simmons may refer to:William Henry Simmons (1811–1882), English mezzotint engraver William Benjamin Dearborn Simmons (1823–1876), American organ builder William A. Simmons (1840–1916), American government official William J. Simmons (teacher) (1849–1890), American ex-slave and college president William Simmons (politician) (1865–1956), Canadian politician William Joseph Simmons (1880–1945), American founder of the second Ku Klux Klan William Simmons (athlete) (1903–?), English athlete William W. Simmons (executive) (1912–1997), American IBM executive William J. Simmons, see List of World War II aces from the United States William W. Simmons (physicist), American physicist William Simmons (anthropologist) (1938–2018), American anthropologist William Mark Simmons, American fantasy and horror novelist William T. Simmons, United States Army officer and Medal of Honor recipient Bill "El Wingador" Simmons, American competitive eater Bill Simmons, American sports columnist