Rio Sabana
Rio Sabana (Naguabo, Puerto Rico)
Rio Saliente
Rio Salientito
Rio Saltillo
Rio Sana Muerto
Rio San Juan Wildlife Refugee
Rio San Patricio
Rio San Pedro Mezquital
Rio Santa Rosalia
Rio Santiago (Puerto Rico)
Rio Santiago Shipyard
Rio Seco Department
Rio Seco, Tucuman
Rio Segundo Department
Rio Senguer Department
Rio Sereno
Rio Sico Tinto Negro
Rio Sonador
Rio (song)