- Salt Lake City, Salt Lake County, Utah, United States1
- Salt River, Mississippi Drainage, Missouri, United States1
- San Francisco Bay, California, United States1
- San Luis Obispo, San Luis Obispo County, California, United States1
- San Miguel Island, Azores, Portugal1
- Sandy Hook, Monmouth County, New Jersey, United States1
- Santee Canal, Berkeley County, South Carolina, United States1
- Santee, Orangeburg County, South Carolina, United States1
- Santuc, Union County, South Carolina, United States1
- Santuck, Union County, South Carolina, United States1
- Sapidum, Harford County, Maryland, United States1
- Savannah, Chatham County, Georgia, United States1
- Savodinski Mine, Russia, Siberia1
- Schaffhausen, Bavaria, Germany1
- Schneeburg, Saxony, Germany1
- Schodack Landing, Rensselaer County, New York, United States1
- Schooley's Mountain, Morris County, New Jersey, United States1
- Schuykill River, Pennsylvania, United States1
- Seattle, King County, Washington, United States1
- See Note1