The Roman Catholic Archdiocese of Trujillo is an archdiocese located in the city of Trujillo in Peru.

Trujillo is a city in coastal northwestern Peru and the capital of the Department of La Libertad. It is the third most populous city and center of the third most populous metropolitan area of Peru. It is located on the banks of the Moche River, near its mouth at the Pacific Ocean, in the Moche Valley. This was a site of the great prehistoric Moche and Chimu cultures before the Inca conquest and subsequent expansion.