Vicariate Apostolic of Iles Saint-Pierre et Miquelon
Founded as the Prefecture Apostolic of Iles Saint-Pierre et Miquelon in 1763. Elevated to a Vicariate Apostolic on 16 November 1970. Notable ordinaries include
- Bishop Charles Joseph Heitz
- Bishop Christophe-Louis Légasse
- Bishop de Longueville
- Bishop François Joseph Maurer
- Bishop Girard
- Bishop Giuseppe Oster
- Bishop Julien-François Becquet
- Bishop Lucien Prosper Ernest Fischer
- Bishop M. Le Helloco
- Bishop M. Letournoux
- Bishop Ollivier
- Bishop Pierre-Marie Gaschy
- Bishop Raimondo Enrico Martín