Apostolic Vicariate of Tabuk
The Apostolic Vicariate of Tabuk is a Latin Church ecclesiastical missionary jurisdiction or apostolic vicariate of the Catholic Church in the Philippines covering the provinces of Kalinga and Apayao in northern Luzon.
It is exempt and not part of any ecclesiastical province, yet for the purpose of apostolic cooperation usually grouped with the Archdiocese of Tuguegarao. It also has a working partnership with the Apostolic Vicariate of Bontoc-Lagawe and the Diocese of Baguio, both in the Cordilleras, to coordinate Catholic missions among the Igorot tribes.
Its cathedral is the Saint William's Cathedral, in Tabuk, Kalinga.