Llandovery Castle is a late thirteenth-century, Grade II*-listed, castle ruin in the town of Llandovery in Carmarthenshire, Wales. It occupies a knoll overlooking the River Towy and the land surrounding it. The Normans built a castle in the current location in the early twelfth century and this was rebuilt in stone. It was burnt in the early sixteenth century and never repaired.