Naworth Castle, also known as, or recorded in historical documents as "Naward", is a castle in Cumbria, England, near the town of Brampton. It is adjacent to the A69 about two miles east of Brampton. It is on the opposite side of the River Irthing to, and just within sight of, Lanercost Priory. It was the seat of the Barons Dacre and is now that of their cognatic descendants, the Earls of Carlisle. It is a grade I listed building.