Bishops of Coutances
- St. Ereptiolus (fourth century)
- St. Exuperatus (fourth century)
- Leontianus, first bishop historically known, attended the (511).
- St. La (Lautro) (sixth century)
- St. Rumpharius (d. about 586)
- St. Fromond (Frodemundus) (fl. 679)
- Blessed Geoffroy de Monthray (from 1049-1093)
- Hugues de Morville (from 1202-1238)
- Gilles Deschamps
- Philibert de Montjeu (from 1424-1439)
- Giuliano della Rovere (from 1476-1478), afterwards Pope Julius II.
Bishops of Avranches
- Nepos, the first bishop known to history, assisted at the First Council of Orleans in 511.
- St. Pair, or Paternus (d. 565)
- St. Leodovaldus (second half of sixth century)
- St. Ragertrannus (about 682)
- St. Aubert
- Robert Ceneau (1533-1569)
- Pierre-Daniel Huet (1689-1699)