| Beacon Hill | |
| Other Name: | Mynydd Disglair |
| Elevation M: | 547 |
| Prominence M: | 174 |
| Parent Peak: | Pegwn Mawr |
| Listing: | Marilyn |
| Location: | Powys, Wales |
| Grid Ref Uk: | SO176767 |
| Topo: | OS Landranger 136 |
Beacon Hill (Welsh: Mynydd Disglair) is a hill in the county of Radnorshire, Wales. It lies within the Powys unitary council area. It is located north-west of the town of Knighton close to the valley of the River Teme. Its summit is 547m (1,795feet) above sea level, and is the highest point of a region of heather-clad moorland.