La Rochelle 17000 - Poitou-Charentes
- Cirpaci
- Citerne
- Citron
- Clair
- Claquin
- Clarke
- Clauzet
- Clavaud
- Clavier
- Claysac
- Clere
- Clergeau
- Clero
- Cligny
- Cluckers
- Cluzaud
- Clémenceau
- Cnaib
- Cochevelou
- Cognee
- Coheleach
- Colignon
- Collard
- Collette
- Collier
- Coloma
- Colombier
- Colot
- Colussi
- Combel
- Combot
- Come
- Comi
- Commenge
- Commer
- Compagnon
- Conant
- Conde
- Condemine
- Conio
- Conseil
- Constant
- Conte
- Conti
- Contu
- Convert
- Corbe
- Corbi
- Corbineau
- Cordazzo
- Cordon
- Corlosquet
- Corneau
- Cornec
- Cornuau
- Corompt
- Corthier
- Corticchiato
- Cosse
- Cosseau
- Costeau
- Costes
- Cottreau
- Couedon
- Couffin
- Coulibaly
- Coupez
- Courant
- Courapied
- Couraud
- Courbon
- Couret
- Courgeau
- Cournut
- Courtel
- Courtois
- Cousson
- Coutand
- Coutau
- Couteleau
- Coutelou
- Couthouis
- Couzinet
- Cozic
- Cozlin
- Cremey
- Cremier
- Crenon
- Crepin
- Cresp
- Crespel
- Cresson
- Creton
- Crica
- Croquin
- Cros
- Crosefinte
- Crousilliacq
- Crouton
- Cruaud