The Roman Catholic Archdiocese of Cap-Haïtien (Latin: Archidioecesis Capitis Haitiani) erected 3 October 1861 as the Diocese of Cap-Haïtien is a metropolitan diocese responsible for the suffragan Dioceses of Fort-Liberté Hinche Les Gonaïves and Port-de-Paix. It was elevated on 7 April 1988.