William Simmons

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) (born 1932), American physicist
• William Simmons (anthropologist) (1938–2018), American anthropologist
• William Mark Simmons (born 1953), American fantasy and horror novelist
• William T. Simmons, United States Army officer and Medal of Honor recipient
• Bill "El Wingador" Simmons (born 1961), American competitive eater
• Bill Simmons (born 1969), American sports columnist

• William S. Simmons Plantation, a historic house in Cave Spring, Georgia, United States
• Billy Simmonds (born 1980), Australian entrepreneur, martial artist, and bodybuilder
• Willie Simmons (disambiguation)