The Diocese of Port-Vila (Latin: Dioecesis Portus Vilensis; French: Diocèse de Port-Vila) in Vanuatu is a suffragan diocese of the Archdiocese of Nouméa. The diocese covers the whole island of Vanuatu.
The first Catholic mission in Vanuatu was started in 1887 at Mele on Efate, by the Marist Father Le Forestier, three other Marist priests and a brother. The greatest growth of Catholic converts took place in the north, where the French influence was strong. This was especially true in Espiritu Santo and Malekula.
In 1901 it was first erected as the Prefecture Apostolic of New Hebrides (Insularum Novarum Ebridarum), with Victor Douceré as apostolic prefect. On 22 March 1904 it became a Vicariate Apostolic. In 1966, it was elevated as the Diocese of Port-Vila by Pope Paul VI.
The diocese is managed by Bishop John Bosco Baremes, and falls under the Archdiocese of Nouméa, which is led by Archbishop Susitino Sionepoe.
Tropical Cyclone Pam, of March 2015, was the second most intense tropical cyclone of the south Pacific Ocean in terms of sustained winds and is regarded as one of the worst natural disasters in the history of Vanuatu. Bishop John Bosco Baremes worked with the Diocesan Disaster Committee and Caritas to identify and address key needs such as shelter, food, clean water, leading the response to the cyclone and ensuring the protection of the poor and vulnerable.