United Bank of Itaú
- Country: Brazil
- Type: Bank
- Website: www.itau.com
- Update: 05-02
Itaú Unibanco (Itaú Unibanco) Brazil's second-largest bank, after Banco do Brasil, is part of Itaú Investment Holding, headquartered in São Paulo, and ranked 46th in the 2014 Forbes list of global companies.