- Trenton, Mercer County, New Jersey, United States1
- Trumbull, Fairfield County, Connecticut, United States1
- Trumbull, Fairfield County,Connecticut, United States1
- Tunaberg, Nyk'ping, S'dermanland, Sweden1
- Tuscany, Italy1
- Tyre, Liban-Sud, Lebanon1
- Unity, Sullivan County, New Hampshire, United States1
- Upper Dublin Township, Montgomery County, Pennsylvania, United States1
- Ut' Mines, Ut', S'dermanland, Sweden1
- Vermont, United States1
- Vulcano Island, Sicily, Italy1
- Vychodocesky, Czech Republic1
- Wales, United Kingdom1
- Wallis (Valais), Switzerland1
- Warwick, Chester County, Pennsylvania, United States1
- Warwick, Orange County, New York, United States1
- Washington County, Georgia, United States1
- Waynesboro, Franklin County, Pennsylvania, United States1
- Weardale, North Pennines, County Durham, England, United Kingdom1
- Weir's Cave, Augusta County, Virginia, United States1