Tough Nut may refer to: Tough Nut (film), 1967 comedy Tough Nut Mine, historic silver mine Tough Nut Cabaret, 2009 production by Robyn Archer See also Tough Nuts: Australia's Hardest Criminals, Australian television series Tuf Nut Historic Commercial District in Little Rock, Arkansas "A Tough Nut to Crack", fake working title of the final episode of Seinfeld