Tuco

Tuco may refer to:
 * Tuco (mountain), a summit in the mountain range Cordillera Blanca, Peru
 * El Tuco, Mauricio Alfaro (born 1956), Salvadoran footballer and coach
 * Tuco Ramirez, a character played by Eli Wallach in the 1966 Italian film The Good, the Bad and the Ugly
 * Tuco Salamanca, a character played by Raymond Cruz in the Breaking Bad franchise
 * A name used in South American countries to denote a ragù-like sauce used in pasta dishes; the name comes from the Ligurian tuccu
 * Tuco, Ariel Ngueukam, Cameroonian footballer