List of place names of Welsh origin in the United States
Places in the United States named for places in Wales.
- Bala, Kansas
- Bala Cynwyd, Pennsylvania, named for two places, Bala, Gwynedd and Cynwyd, Denbighshire
- Bangor, Maine
- Bangor, New York
- Bangor, Pennsylvania
- Brecknock Township, Lancaster County, Pennsylvania
- Bryn Mawr, Pennsylvania (Welsh name, but not a place in Wales)
- Caernarvon Township, Lancaster County, Pennsylvania
- Cambria Township, Blue Earth County, Minnesota
- Cambria Township, Cambria County, Pennsylvania
- Cambria, Illinois
- Cambria, Indiana
- Cambria, Iowa
- Cambria, New York
- Cambria, Pennsylvania
- Cambria, Wisconsin
- Cardiff, Illinois
- Cardiff, Maryland
- East Swanzey, New Hampshire
- Hawarden, Iowa
- Lower Gwynedd Township, Montgomery County, Pennsylvania
- Lower Merion Township, Montgomery County, Pennsylvania
- Merion, Pennsylvania
- Monmouth Junction, New Jersey
- Monmouth, Illinois
- Monmouth, Indiana
- Monmouth, Iowa
- Narberth, Pennsylvania
- North Pembroke, Massachusetts
- North Wales, Pennsylvania
- Northern Cambria, Pennsylvania
- Pembrey, Delaware
- Pembroke, Massachusetts
- Swansea, Arizona
- Swansea, California
- Swansea, Illinois
- Swansea, Massachusetts
- Swansea, Nevada
- Swansea, South Carolina
- Swanzey, New Hampshire
- Upper Gwynedd Township, Montgomery County, Pennsylvania
- Upper Merion Township, Montgomery County, Pennsylvania
- West Swanzey, New Hampshire