William Willis

William Willis may refer to:

Politicians

 * William Willis (Maine politician) (1794–1870), American politician and historian, mayor of Portland, Maine, 1857
 * William Willis Garth (1828–1912), American politician
 * William Willis (British politician) (1835–1911), British politician, MP for Colchester 1880–1885
 * William Jarvis Willis (1840–1884), New Zealand politician
 * William Nicholas Willis (1858–1922), Australian politician

Others

 * William Downes Willis (1790–1871), British clergyman, theologian and author
 * William Willis (physician) (1837–1894), British physician
 * William Willis (inventor) (1841–1923), British inventor
 * William Willis (sailor) (1893–1968), rafter and adventurer
 * William Hailey Willis (1916–2000), American classicist
 * William S. Willis (1921–1983), ethnohistorian and pioneer in African American anthropology
 * William Willis (artist) (born 1943), American artist