Castello Cantelmo (Italian for Cantelmo Castle) is a Middle Ages castle in Pettorano sul Gizio, province of L'Aquila, Abruzzo, southern-central Italy.

The castle, built around the 11th century, overlooks the Gizio river valley and the Valle Peligna. It has an irregular plan with cylindrical, massive towers at the north-western and south-western corners, while at south-eastern one are the remains of a quadrangular tower. In the middle is a pentagonal tower, which is the most ancient part of the castle.

• "Castello Cantelmo" (in Italian). Archived from the original on 21 October 2016. Retrieved 8 May 2016.

41°58′18″N 13°57′40″E / 41.9716°N 13.9611°E / 41.9716; 13.9611