Bishops of Avranches
- Nepos, the first bishop known to history, assisted at the First Council of Orléans in 511.
- Saint Severus ca. 520
- Perpetuus 533–541
- Egidius 549–550
- Saint Pair, or Paternus (d. 565)
- Saint Sénier 563
- Saint Leudeuald, Leodovaldus ca. 580
- Hildoald ca. 614–626
- Saint Rahentrannus, Ragertran, Ragertrannus (about 682)
- Saint Severus (about 690)
- Saint Aubert, Aubertus ca. 708
- Jean I ca. 840
- Ansegaud ca. 847–ca. 853
- Remedius 855
- Walbert ca. 859–ca. 862
- Norgod (Norgaud) ca. 990–ca. 1017 or 1018
- Maugis (Maingise) 1022–ca. 1026
- Hugo 1028–ca. 1060
- Jean d'Ivry (or de Bayeux) 1060–1067, in 1068 Archbishop of Rouen, son of Rodulf of Ivry
- Michael I 1068–1094
- Turgis (Turgise) 1094–1134
- Richard de Beaufou 1134–1142
- Richard de Subligny 1142–1153
- Herbert II 1154–1161
- Achard of St. Victor 1162–1171
- Richard III 1171–1182
- Guillaume I Bureau 1182–ca. 1195
- Guillaume II de Chemillé 1196–1198
- Guillaume III Tollerment 1199–1210
- Guillaume IV Bureau 1210–1236
- Guillaume V de Saint-Mère-Eglise 1236–1253
- Richard IV L`Ainé 1253–1257
- Guillaume VI 1257–1258
- Richard V L`Anglois 1259–1269
- Raoul de Thiéville 1269–1292
- Geoffroi Boucher 1293–1306
- Nicolas de Luzarches 1307–1311
- Michel II de Pontorson 1311–1312
- Jean III de La Mouche 1312–1327
- Jean IV de Vienne 1328–1331
- Jean V Hautfune 1331–1358
- Foulque Bardoul 1358–1359
- Robert I de La Porte 1359–1379
- Laurent de Faye 1379–1391
- Jean VI de Saint-Avit 1391–1442
- Martin Pinard 1442–1458
- Jean VII Bouchard 1458–1484
- Louis de Bourbon-Vendôme 1484–1510
- Louis Herbert 1511–1526
- Agostino Trivulzio 1526 (administrator)
- Jean VIII de Langeac 1526–1532
- Robert Ceneau (Robert Cénalis) 1532–1560 (also Bishop of Vence and Bishop of Riez)
- Antoine Le Cirier 1561–1575
- Augustin Le Cirier 1575–1580
- Georges de Péricard 1583–1587
- François de Péricard 1588–1639
- Charles Vialart de Saint-Paul 1640–1644
- Roger D'Aumont 1645–1651
- Gabriel Boislève 1652–1657
- Gabriel-Philippe de Froulay de Tessé 1668–1689
- Fabio Brulart de Sillery 1689
- Pierre Daniel Huet 1689–1699
- Roland-François de Kerhoen de Coettenfau 1709–1719
- César Le Blanc 1719–1746
- P.-Joseph-Baptiste-Durand de Missy 1746–1764
- Raimond de Durfort 1764–1766
- Joseph-François de Malide 1766–1774
- Pierre-Augustin Godard de Belbeuf 1774–1790
Read more about this topic: Roman Catholic Diocese Of Coutances