Old Radnor (Welsh: Pencraig) is a village and community in Powys, Wales. The community includes Old Radnor and the villages of Yardro, Dolyhir, Burlingjobb, Evenjobb (Welsh: Einsiob), Kinnerton and Walton. In the 2001 census and the 2011 census the community had a population of 741 (390 male and 351 female) in 323 households. Old Radnor lies on a lane off the A44 to the west of the Wales–England border.
The 15th-century parish church, dedicated to Saint Stephen, is in Perpendicular Gothic style, and is noted for its early organ and organ case, early stained glass, fine rood screen and large pre-Norman font. Adjacent to it are earthworks known as Old Radnor Castle, but it is unclear if this was ever in fact a fortification.Riddings Brook, a tributary of the River Lugg, starts near Old Radnor. Old Radnor has one pub, the Harp Inn, a 15th-century farm house.
New Radnor, which had replaced Old Radnor as the county town of Radnorshire, is further to the west.