Smiley is a surname which may refer to:

People Albert Smiley Hoagland (1926–2022), American computer engineer Brett Smiley (singer) (1955–2016), American singer Brett Smiley (politician), American politician Charles Hugh Smiley (1903–1977), American astronomer Colonel David Smiley (1916–2009), British special forces and intelligence officer Forbes Smiley, (born 1956), American map thief Gordon Smiley (1946–1982), American race car driver Jane Smiley (born 1949), American author Janelle Smiley (born 1981), American ski mountaineer John Smiley (baseball) (born 1965), American baseball left-handed pitcher 1980s and '90s Joseph W. Smiley (1870–1945), American silent actor Justin Smiley (born 1981), American National Football League guard Michael Smiley (born 1963), Northern Irish actor and comedian Norman Smiley professional wrestler for World Championship Wrestling (1998–2001) Ryan Smiley (born 1995) Professional Ice Hockey Player Red Smiley (1925–1972), American singer in Reno and Smiley Rickey Smiley, comedian/actor Robert L. Smiley (1929–2010), American acarologist Tava Smiley (born 1971), American actress and television host Tavis Smiley (born 1964), American journalist Tom Smiley (1944–2012), American football player Thomas Smiley ( – 1689), Williamite defender at the Siege of Derry

Fictional characters George Smiley, spy in John le Carré novels Guy Smiley, on Sesame Street Jim Smiley, gambler in the Mark Twain story "The Celebrated Jumping Frog of Calaveras County"