- 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
- Senegal, Africa1
- Shawneetown, Gallatin County, Illinois, United States1
- Shelby Springs, Shelby County, Alabama, United States1
- Shelby, Cleveland County, North Carolina, United States1
- Shelby, Shelby County, Alabama, United States1
- Sicily, Sicily, Italy1
- Society Hill, Darlington County, South Carolina, United States1
- Solfatara, Napoli, Campania, Italy1
- Somerset, England, United Kingdom1
- Somerset, Windham County, Vermont, United States1
- Soperton, Treutlen County, Georgia, United States1
- South America1