Bryn Alyn is a hill or mountain in Denbighshire
- Parish/Community: Llanarmon-yn-Ial
- Unitary Authority: Denbighshire
- Region: Wales
- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°7'11"N 3°11'44"W
- Eastings/Northings: 320074, 358747
- OS Grid: SJ200587
- Mapcode Local: GBR 6X.7J70
- Mapcode Global: WH77B.WVD2
Location and coordinates are for the approximate centre of Bryn Alyn within this administrative area.
Geographic features and populated places may cross administrative borders.