- 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
- Strontian, Highland, Scotland, United Kingdom1
- Succasunna, Morris County, New Jersey, United States1
- Sulphur City, Calcasieu Parish, Louisiana, United States1
- Sussex County, New Jersey, United States2
- Sweden3
- Texas, Lancaster County, Pennsylvania, United States3
- Thuringia, Germany3
- Tilgate Forest, Wealdon, East Sussex, England, United Kingdom1
- Topsham, Sagadahoc County, Maine, United States2