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- Île-Barbe Abbey (Abbaye de l'Île-Barbe), monks, Diocese of Lyon (638-1375) (Île Barbe, Lyon, Rhône)
- Île Chauvet Abbey (Abbaye de l'Ile Chauvet or Abbaye Notre-Dame-de-l'Assomption de l'Île Chauvet), monks, Diocese of Luçon (1130-1791) (Bois-de-Céné, Vendée)
- Issoire Abbey (Abbaye Saint-Austremoine d'Issoire), monks, Diocese of Clermont (Issoire, Puy-de-Dôme)
- Issoudun Abbey (Abbaye Notre-Dame d'Issoudun), monks, Diocese of Bourges (Issoudun, Indre)
- Issy Abbey (Abbaye d'Issy), nuns, Diocese of Paris (Issy-les-Moulineaux, Hauts-de-Seine)
- Ivry Abbey (Abbaye d'Ivry), monks, Diocese of Évreux (Ivry-la-Bataille or Ivry-le-Temple, both Oise)
Read more about this topic: List Of Benedictine Monasteries In France