Peanut or Peanuts is the nickname of:
Chiang Kai-shek (1887–1975), derisively called "Peanut" by U.S. Army General Joseph Stilwell
Nick "Peanut" Baines (born 1978), English rock keyboardist
Jim Davenport (born 1933), American Major League Baseball player and coach nicknamed "Peanut"
Peanut Louie Harper (born 1960), American retired tennis player
Peanuts Holland (1910–1979), American jazz trumpeter
Peanuts Hucko (1918–2003), American jazz clarinetist
Mamie Johnson (born 1935), American baseball player, first female pitcher in the Negro Leagues nickname "Peanut"
Erv Kantlehner (1892–1990), American Major League Baseball pitcher nicknamed "Peanuts"
Paul Lehner (1920-1967), American Major League Baseball player, nicknamed "Peanuts"
Peanuts Lowrey (1917–1986), American Major League Baseball player
Peanuts O'Flaherty (1918–2008), Canadian National Hockey League player
Ed Pinnance (1879–1944), Canadian Major League Baseball pitcher in 1903, nicknamed "Peanuts"
Charles Tillman (born 1981), American National Football League player