Sw-Sz
- Swan River - Colorado
- Swan River - Minnesota
- Swan River - Montana
- Swannanoa River - North Carolina
- Swanson River - Alaska
- Swatara Creek - Pennsylvania
- Sweeny Pond River - Wisconsin
- Sweet Grass Creek - Montana
- Sweetwater Creek - Georgia
- Sweetwater River - California
- Sweetwater River - Wyoming
- Swift River - Alaska
- Swift River - Massachusetts
- Swift River - New Hampshire, tributary of Bearcamp River
- Swift River - New Hampshire, tributary of Saco River
- Swift Diamond River - New Hampshire
- Swimming River - New Jersey
- Sycan River - Oregon
- Symmes Creek - Ohio
Read more about this topic: List Of Rivers Of The United States: S