Itaú
Itaú means:
in Argentina:
- Serranía del Itaú - mountain range in the province of Salta
 
in Bolivia:
- Serranía Itaú - mountain range of the Bolivian foothills
 - Río Itaú - Bolivian-Argentine border river
 - Itaú (Tarija) - a place in the Tarija department
 
in Brasil:
- Itaú (Rio Grande do Norte) - municipality in the state of Rio Grande do Norte
 - Itaú de Minas - municipality in the state of Minas Gerais
 - Banco Itaú - financial institution