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.
Ordinaries Alexandre Poncet, S.M. (1935–1961) Michel-Maurice-Augustin-Marie Darmancier, S.M. (1961–1974) Laurent Fuahea (1974–2005) - Bishop Emeritus Ghislain Marie Raoul Suzanne de Rasilly, S.M. (2005–2018) Susitino Sionepoe, S.M. (2019-2025), appointed Archbishop of Nouméa
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Resignation of Bishop de Rasilly S.M.