Place
- Rioja, La Plata1
- River Araguay, Brazil1
- River Bio Bio, Chile1
- River Curuguaty, Paraguay1
- River Gila, New Mexico1
- River Guautitlan, Mexico1
- River Hoogly, West Bengal, India1
- River Maule, Chile1
- River Santa Lucia, Uruguay1
- River Tapajos, Brazil1
- River Tocantins, Brazil1
- River Ucayali, Brazil1
- River Xexuy, Paraguay1
- River Xingu, Brazil1
- Sacramento, Uruguay1
- Salomon Isles, Pacific Ocean1
- San Blas, Mexico1
- San Buenaventura, Central America1
- San Carlos, Chile1
- San Carlos, Patagonia1