Salvatore "Totuccio" Contorno (Italian pronunciation: [salva'to?re kon'torno]; born 28 May 1946) is a former member of the Sicilian Mafia who turned into a state witness against Cosa Nostra in October 1984, following the example of Tommaso Buscetta.
He gave detailed accounts of the inner-workings of the Sicilian Mafia.
His testimonies were crucial in the Maxi Trial against the Sicilian Mafia in Palermo and the Pizza Connection trial in New York in the mid-1980s.