Slim, as a nickname, may refer to:
Salvacion "Slim" Lim-Higgins (1920–1990), Filipino fashion designer Slim Barrett (born 1960), Irish jewelry designer and artist Slim Dunlap (1951–2024), American rock guitarist and singer-songwriter Slim Dusty (1927–2003), Australian country music singer-songwriter Slim Gaillard (1916–1991), American jazz singer, songwriter, pianist and guitarist Slim Harriss (1897–1963), American Major League Baseball pitcher Slim Jones (1913–1938), American Negro league pitcher Slim Keith, Lady Keith (1917–1990), American socialite and fashion icon Slim Love (1890–1942), American Major League Baseball pitcher Slim Moon (born 1967), record producer and musician Amarillo Slim Preston (1928–2012), American professional gambler Slim Sallee (1885–1950), American Major League Baseball pitcher Slim Shady (born 1972), alternate stage name of Eminem, American rapper Slim Smith (1948–1973), Jamaican ska, rocksteady and reggae singer Slim Summerville (1892–1946), American actor Slim Whitaker (1893–1960), American actor Slim Whitman (1893–1960), American singer-songwriter Slim Wilson (1910–1990), American country music singer, songwriter, bandleader, and radio and TV personality Slim Wintermute (1917–1977), American basketball player
See also Slim Jim (disambiguation)