The Roman Catholic Diocese of Wallis et Futuna (Latin: Dioecesis Uveanus et Futunensis; French: Diocèse de Wallis et Futuna) in Wallis and Futuna is a suffragan diocese of the Roman Catholic Archdiocese of Nouméa. It was erected as a Vicariate Apostolic in 1935 and elevated to a diocese in 1966. The Bishop of Wallis et Futuna is a member of the Episcopal Conference of the Pacific.