Tuff is both a given name and a surname. Notable people with the name include:

Tuff Harris (born 1983), American football player Tuff Hedeman (born 1963), American rodeo performer Charles Tuff (1855–1929), British businessman and politician Frank Tuff (1889–1915), English cricketer Stein Henrik Tuff (born 1974), Norwegian ski jumper

See also Tuf Borland (born 1998), American football player