William, Bill or Billy Newman may refer to:
Arts and entertainment William Newman (woodcarver) (born c. 1649), English woodcarver William S. Newman (1912–2000), American musicologist William Newman (actor) (1934–2015), American actor William A. Newman (born 1948), American painter and computer artist
Law and politics William Newman (MP) (fl. 1550s–1570s), English politician; MP for Poole (UK Parliament constituency) William Truslow Newman (1843–1920), U.S. federal judge William Newman (Canadian politician) (1873–1953), Canadian politician from Ontario Bill Newman (politician) (William Gould Newman, 1928–1988), Canadian politician from Ontario
Religion William P. Newman (1810–1866), American fugitive slave and Baptist minister William Newman (priest) (1811–1864), inaugural Anglican Dean of Cape Town William Clifford Newman (1928–2017), American Roman Catholic bishop
Others William Newman (American football) (c. 1882–1964), American college football player and coach William Newman (computer scientist) (1939–2019), British computer scientist Billy Newman (1946–2022), Irish footballer William R. Newman (born 1955), American historian of science William Newman (surgeon) (1833–1903), English surgeon
See also William A. Neumann William Neuman Newman (surname)