C
- Cadouin Abbey, monks, diocese of Sarlat (Le Buisson-de-Cadouin, Dordogne)
- Calers Abbey, monks, diocese of Rieux (Gaillac-Toulza, Haute-Garonne)
- Cambron Abbey, monks, diocese of Cambrai
- Campénéac Abbey (Abbaye de la Joie-Notre-Dame de Campénéac), nuns, diocese of Vannes (Campénéac, Morbihan)
- Candeil Abbey, diocese of Albi (Labessière-Candeil, Tarn)
- Carnoët Abbey (Abbaye Notre-Dame de Carnoët, latterly Abbaye Saint-Maurice de Carnoët), monks, diocese of Quimper (Clohars-Carnoët, Finistère)
- Carpentras Abbey, diocese of Carpentras
- Castagniers Abbey (Abbaye Notre-Dame de la Paix de Castagniers), nuns (1865-), diocese of Nice (Castagniers, Alpes-Maritimes)
- Celle-sur-Cher Abbey, monks, diocese of Bourges
- Cercamp Abbey, monks, diocese of Amiens (Frévent, Pas-de-Calais)
- Cercanceaux Abbey, monks, diocese of Sens
- Chaalis Abbey, monks, diocese of Senlis (Fontaine-Chaalis, Oise)
- La Chalade Abbey, diocese of Verdun (Lachalade, Meuse)
- Chalivoy Abbey, monks, diocese of Bourges
- Chaloché Abbey, monks, diocese of Angers (Chaumont-d'Anjou and Corzé, Maine-et-Loire)
- Chambarand Abbey (Abbaye Notre-Dame de Chambarand), monks, then nuns (Roybon, Isère)
- Les Chambons Abbey, monks, diocese of Viviers, (Borne, Ardèche)
- Champagne Abbey, monks, diocese of Le Mans (1188-?) (Rouez-en-Champagne, Sarthe)
- Abbaye de la Charité, monks, diocese of Besançon
- Abbaye de la Charité-lès-Lézines, see Lézinnes
- La Charmoie Abbey, monks, diocese of Châlons-sur-Marne
- Charon Abbey, diocese of La Rochelle
- La Chassaigne Abbey, monks, diocese of Lyon
- Abbaye des Châteliers (or des Châtelliers): see Ré
- Châtillon Abbey (also known as Chastillon Abbey), diocese of Verdun (?-1791) (Pillon, Meuse)
- Chaumes Abbey (Abbaye Saint-Léonard de Chaumes), diocese of La Rochelle
- Cheminon Abbey, monks, diocese of Châlons-sur-Marne (Cheminon, Marne)
- Cherlieu Abbey, monks, diocese of Besançon (1131-1791) (Montigny-lès-Cherlieu, Haute-Saône)
- Chéry Abbey (also known as Chéhéry, or Chéery), monks, diocese of Reims (Chatel-Chéhéry, Ardennes)
- Chézery Abbey (also known as Chesery or Chézery-Mont-Sainte-Marie), monks, diocese of Belley, later diocese of Geneva, later diocese of Annecy (1140-?) (Chézery-Forens, Ain)
- Cîteaux Abbey (Abbaye Notre-Dame de Cîteaux) (Saint-Nicolas-lès-Cîteaux, Côte-d'Or)
- Claire-Fontaine Abbey, monks, diocese of Besançon
- Les Clairets Abbey, nuns, diocese of Chartres (Mâle, Orne)
- Clairlieu Abbey, diocese of Nancy
- Clairmarais Abbey, monks, diocese of Saint-Omer (Clairmarais, Pas-de-Calais)
- Clermont Abbey (also known as Clairmont Abbey), monks, diocese of Le Mans (1132-1794) (Olivet, since 1874 Port-Brillet, Mayenne)
- Clairvaux Abbey, monks, diocese of Langres (Ville-sous-la-Ferté, Aube)
- La Clarté-Dieu Abbey, monks, diocese of Tours
- Coatmalouen Abbey (Abbaye Notre-Dame de Coatmalouen), monks, diocese of Quimper (Saint-Gilles-Pligeaux)
- La Colombe Abbey, monks, diocese of Limoges
- La Coudre Abbey (Abbaye Notre-Dame de la Coudre), nuns (Laval, Mayenne)
- La Cour-Dieu Abbey, monks, diocese of Orléans (Ingrannes, Loiret)
- La Crête Abbey (also known as La Creste Abbez), monks, diocese of Langres (Bourdons-sur-Rognon, Haute-Marne)
- Cuxa Abbey (also known as Cuixá Abbey) (1919–1965) (Codalet, Pyrénées-Orientales)
Read more about this topic: List Of Cistercian Monasteries In France