Rio Tinto
Rio Tinto means:
- Río Tinto , a river in Spain
- Rio Tinto (Gondomar) , municipality in the Concelho de Gondomar in Portugal
- Rio Tinto (Esposende) , place and former municipality in the Concelho de Esposende in Portugal
- Rio Tinto (Paraíba) , municipality in Brazil
- Rio Tinto Group , a multinational mining company