Tuco
Tuco is a term for
- Nevado de Tuco , a mountain peak in the Cordillera Blanca in Peru
- Tuco (La Libertad) , a city in the La Libertad department of Peru
- Tuco (Lima) , a city in the La Libertad department of Peru
- a Spanish slang expression for "terrorist" in Peru
- Tuco Ramirez, a character played by Eli Wallach from Sergio Leone's Spaghetti Western Two Glorious Scoundrels
- Tuco Salamanca, a character played by Raymond Cruz in the American television series Breaking Bad
- Tuco (owl) , a species of owl in South America
- Tuco-tuco , a genus of South American rodents
- Tuco (river) , a river in the municipality of Viqueque, East Timor