Steden van de Verenigde Staten, te beginnen met de letter U Pagina 13
- Union Valley (Lonoke County)
- Union Valley (Middlesex County, New Jersey)
- Union Valley (Pontotoc County)
- Union Valley (Sevier County)
- Union View
- Union Village
- Union Village (Orange County, Vermont)
- Union Village (Providence County)
- Union Water Works
- Union Wharf
- Unionburg
- Unionport
- Unionport (Bronx)
- Unionport (Jefferson County, Ohio)
- Uniontown (Belmont County)
- Uniontown (Carroll County)
- Uniontown (Clatsop County)
- Uniontown (Crawford County, Arkansas)
- Uniontown (Fairfax County)
- Uniontown (Indiana County)
- Uniontown (Jackson County, Indiana)
- Uniontown (Knox County, Illinois)
- Uniontown (Northumberland County)
- Uniontown (Perry County, Indiana)
- Uniontown (Perry County, Missouri)
- Uniontown (Venango County)
- Uniontown (Warren County)
- Uniontown (Westchester County)
- Uniontown (Wetzel County)
- Uniontown (York County)
- Unionvale
- Unionvale (Harrison County, Ohio)
- Unionville (Albany County)
- Unionville (Atlantic County)
- Unionville (Beaver County)
- Unionville (Berks County)
- Unionville (Bibb County)
- Unionville (Burlington County)
- Unionville (Carbon County)
- Unionville (Chester County)
- Unionville (Columbiana County)
- Unionville (Dyer County)
- Unionville (Frederick County)
- Unionville (Hartford County)
- Unionville (Holmes County)
- Unionville (Hunterdon County)
- Unionville (Lake County, Ohio)
- Unionville (Lamar County, Georgia)
- Unionville (Lehigh County)
- Unionville (Lewis and Clark County)