Bill, Billy, Will, Willie or William Craig may refer to:
Politicians William Gibson-Craig (1797–1878), Scottish Lord Clerk Register William Young Craig (1827–1924), British MP for North Staffordshire, 1880–1885 William Craig (Canadian politician) (1828–1897), Legislative Assembly of Ontario member William Benjamin Craig (1877–1925), American congressman from Alabama William Craig (Northern Ireland politician) (1924–2011), founder of Unionist Vanguard movement
Sportsmen Billy Craig (rugby league) (1898–1980), Australian rugby league player Billy Craig (footballer) (1929–2011), Scottish footballer Bill Craig (swimmer) (1945–2017), American Olympic gold medalist Will Craig (born 1994), American baseball first baseman
Writers William Craig, Lord Craig (1745–1813), Scottish judge and essayist William Marshall Craig (before 1760–1827), English painter and lecture author William Craig (botanist) (1832–1922), Scottish surgeon and science writer William James Craig (1843–1906), Anglo-Irish editor of Oxford Shakespeare William Craig (priest) (1873–1957), Canadian dean of Ontario and sermon writer William Craig (philosopher) (1918–2016), American academic at UC Berkeley William Craig (author) (1929–1997), American historian and novelist Bill Craig (writer) (1930–2002), Scottish TV scriptwriter William Lane Craig (born 1949), American philosopher and theologian William Stuart Mcrae Craig (1903–1975), English physician and medical author
Others William Craig (frontiersman) (1807–1869), American pioneer and trapper William Grindley Craig (1818–1886), Scottish railway engineer and designer William Craig (Secret Service) (1855–1902), American agent for Theodore Roosevelt William Benson Craig (1896–1918), Canadian flying ace during World War I William Craig (businessman) (1903–1972), Scottish co-founder of West Coast Motor Service Company William Craig (broadcaster), Canadian TV executive since 1970s