Bury Castle is an Iron Age hillfort near Selworthy, Somerset, England. It has been designated as a scheduled monument.
Bury Castle was built on a spur of land overlooking the surrounding terrain. The Bury Castle hillfort covers in internal area. The main enclosure has a single rampart and ditch, with steep drops on the north, east and south sides. The bank is up to high with a ditch deep. There is an additional rampart to the west, with a deep ditch. The rampart is revetted with drystone walling.
Bury Castle is today protected as a Scheduled Monument and owned by the National Trust. It has been added to the Heritage at Risk Register due to vulnerability from scrub or tree growth.