Do Ouro River or Rio do Ouro may refer to:
Brazil Ouro River (Acre) Do Ouro River (Bahia) Do Ouro River (Goiás) Do Ouro River (Rio Grande do Sul) Do Ouro River (Santa Catarina) Do Ouro River (Rondônia)
Other places Rio do Ouro, a river in São Tomé and Príncipe
See also Ouro Preto River, Brazil Gold River (disambiguation) Golden River (disambiguation)