Prieto River

Prieto River may refer to:


 * Prieto River (Lares, Puerto Rico), where Spanish soldiers drowned in 1898
 * Prieto River (Maricao, Puerto Rico)
 * Prieto River (Naguabo, Puerto Rico)
 * Prieto River (Ponce, Puerto Rico), a tributary of the Cerrillos River
 * Prieto River (Yabucoa, Puerto Rico)