William, Will, Willie, or Bill Carpenter may refer to:
Arts and entertainment William Carpenter (painter) (1818–1899), English watercolour artist William Carpenter (writer) (born 1940), American poet and novelist Willie C. Carpenter (fl. 1970s–2020s), American actor
Law and politics William H. Carpenter (1821–1885), U.S. Consul to Fuzhou, China, during the American Civil War William L. Carpenter (Michigan judge) (1854–1936), American jurist in Michigan William Carpenter (Australian politician) (1863–1930), Australian politician William Randolph Carpenter (1894–1956), US congressman Will Carpenter (born 1956), American politician
Science and medicine William Marbury Carpenter (1811–1848), American physician and naturalist William Benjamin Carpenter (1813–1885), English physiologist and naturalist William L. Carpenter (1844–1898), American naturalist and geologist William T. Carpenter, American psychiatrist Will Dockery Carpenter (1930–2023), American scientist and philanthropist
Sports William J. Carpenter (1827–1921), American outdoorsman Bill Carpenter (rugby league) (fl. 1920s–1930s), Australian rugby league player Ken Carpenter (discus thrower) (William Kenneth Carpenter, 1913–1984), American discus thrower Bill Carpenter (born 1937), American football player
Others William the Carpenter (fl. 1087–1102), French nobleman William Carpenter (Rhode Island colonist) (c. 1610–1685), American colonist in Rhode Island William Hookham Carpenter (1792–1866), British antiquary, keeper at the British Museum William Carpenter (1797–1874), English theological and political writer William Carpenter (flat-Earth theorist) (1830–1896), English advocate of the Flat Earth theory William Boyd Carpenter (1841–1918), English clergyman and bishop William Henry Carpenter (philologist) (1853–1936), American philologist William Thomas Carpenter (1854–1933), American cowman and author William Kyle Carpenter, (born 1989), U.S. Marines Medal of Honor recipient
See also List of people with surname Carpenter#W