William Stevens may refer to:
- William Stevens (writer) (1732–1807), English biographer
- William A. Stevens (1879–1941), New Jersey Attorney General
- William C. Stevens (Michigan politician) (1837-1921), Michigan Auditor General
- William C. Stevens (New York politician) (1848–1897), American merchant and politician from New York
- William Bacon Stevens (1815–1887), Episcopal bishop of Pennsylvania
- William Burnham Stevens (1843–1931), American jurist and politician from Massachusetts
- William George Stevens (1893–1975), British born general who served with the New Zealand Military Forces during WWII
- William H. Stevens (1818–1880), American architect
- William L. Stevens (1932–1997), Episcopal bishop of Fond du Lac
- William N. Stevens (1850–1889), first African American to serve in both house of the Virginia General Assembly
- William Oliver Stevens (1878–1955), American writer and professor for the United States Naval Academy
- W. Richard Stevens (1951–1999), American technology writer
- William S. Stevens (1948–2008), attorney who wrote The Common Law Origins of the Infield Fly Rule
- William W. Stevens, one of the founders of Triad Systems Corporation, now known as Activant
- Billy Stevens (born 1945), American football player
- Billy Stevens (Australian footballer) (1905–1997), Australian rules footballer for St Kilda
- Bill Stevens (footballer, born 1908) (1908–1981), Australian rules footballer for North Melbourne
- Bill Stevens (footballer, born 1939), Australian rules footballer for Fitzroy
- Will Stevens (born 1991), British racing driver
- Will Henry Stevens (1881–1949), American modernist painter and naturalist
- Mark Stevens (actor) (Richard William Stevens, 1916–1994), American actor