特里亚卡斯特拉（西班牙语：Triacastela），是西班牙加利西亚自治区卢戈省的一个市镇。 总面积51平方公里，总人口873人（2001年），人口密度17人/平方公里。

Triacastela is a municipality in the province of Lugo, Galicia, Spain. It gets its name from the three castles that once stood here, none of which exist today.

It is along the route of the Camino de Santiago (The Way of St. James), and many of the pilgrims stop in the town's albergues and restaurants.