- See Note1
- Shawneetown, Gallatin County, Illinois, United States1
- Shelby, Shelby County, Alabama, United States1
- Siciliy, Italy2
- Sicily, Italy1
- Solfatara, Napoli, Campania, Italy1
- Somerset, Windham County, Vermont, United States1
- South Carolina, United States3
- South Mountain, Lehigh County, Pennsylvania, United States1
- Southampton, England, United Kingdom1
- Southampton, Hampshire County, Massachusetts, United States1
- Spain2
- Sparta, Sussex County, New Jersey, United States2
- Sparta, Sussex, New Jersey, United States1
- Spartanburg District, Spartanburg County, South Carolina, United States1
- Spartanburg, Spartanburg County, South Carolina, United States2
- Stavern, Vestfold, Norway1
- Steiermark (Styria), Austria1
- Steiermark, Austria1
- Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, United States2