Wallis Simpson (1896 - 1986), who became Duchess of Windsor

John Wallis (1616 - 1703), a British mathematician

Barnes Wallis (1887 - 1979), a British scientist

Larry Wallis, a British rock musician

The German name for the Valais canton of Switzerland

J C (Jim) Wallis, a British player of Eton Fives - winner of the Kinnaird Cup in 1961, '62 & '64

Hal B. Wallis (1898 - 1986), an American motion picture producer

Alfred Wallis (1855 - 1942), a British artist

Wallis Theatres, a popular Australian cinema franchise

Thomas Wallis, (1873 - 1953), British Art Deco architect. Established Wallis, Gilbert and Partners

Wallis, Texas

Provo Wallis (1791 - 1892), a British Naval officer

Jim Wallis, an American social justice Christian activist

Jon Wallis, a British professional footballer

Wallis Bird, an Irish singer

Ruth Wallis, an American singer

Shani Wallis, a British actress and singer

Henry Wallis (1830 - 1916), a British painter

Ken Wallis, a British pilot

Diana Wallis, a British politician

Wallis Mathias (1935 - 1994), a Pakistani athlete

D.J. Wallis, an American bodybuilder

W. Allen Wallis (1912 - 1998), an American economist and statistician

Jimmy Wallis, a British athlete

Wallis (retailer), a British clothing retailer

Wallis Island, an island in the French territory Wallis and Futuna

E. A. Wallis Budge (1857 - 1954), an Egyptologist

Gary Wallis, percussionist for rock group Pink Floyd

Samuel Wallis (1720 – 1795), an English navigator, for whom Wallis Island is named