Willis is a masculine given name which may refer to the following people:
Men Willis Ball, American architect Willis Barnstone (born 1927), American poet and translator Willis Bouchey (1907–1977), American actor Willis B. Burns (1851–1915), American businessman and politician Willis Carrier (1876–1950), American engineer and inventor, best known for inventing modern air conditioning Willis Carto (1926–2015), American far right activist and Holocaust denier Willis Conover (1920–1996), jazz producer and longtime broadcaster on the Voice of America Willis Gibson (born 2010), American Tetris player Willis Goldbeck (1898–1979), American screenwriter and film director Willis Griffith, American politician Willis Hall (1929–2005), English playwright and radio and television writer Willis Harman (1918–1997), American engineer, social scientist, academic, futurist and writer Willis A. Hawkins (died 1886), justice of the Georgia Supreme Court Willis Nichols Hawley (1875–1898), American soldier Willis Hudlin (1906–2002), Major League Baseball pitcher Willis Jackson, Baron Jackson of Burnley (1904–1970), British technologist and electrical engineer Willis Jackson (saxophonist) (1932–1987), American jazz tenor saxophonist Willis Knuckles (1946–2014), Liberian politician Willis Linn Jepson (1867–1946), American botanist Willis Lamb (1913–2008), American physicist and Nobel laureate Willis Augustus Lee (1888–1945), vice-admiral of the United States Navy and Olympic Games sport shooter Willis McGahee (born 1981), National Football League running back Willis H. O'Brien (1886–1962), Irish-American pioneering motion picture special effects artist Willis Peguese (born 1966), American football player Willis Polk (1867–1924), American architect Willis Reed (1942–2023), American basketball player, coach and general manager Willis Robards (1873–1921), American actor, film director, and film producer Willis H. Stephens (1925–2024), American politician Willis Stephens, Jr. (born 1955), American politician, son of the above Willis Van Devanter (1859–1941), an associate justice of the United States Supreme Court Willis Ward (1912-1983?), African-American track and field athlete and football player, lawyer and judge
Women Willis Marie Van Schaack, birth name of Lili St. Cyr (1918–1999), American burlesque dancer and stripper