La Rochelle 17000 - Poitou-Charentes
- Christensen
- Christine
- Chubilleau
- Chupin
- Cianciarullo
- Circus
- Cirpaci
- Citron
- Claire
- Claquin
- Clarke
- Claus
- Clavaud
- Claverie
- Clavery
- Clero
- Cligny
- Clinard
- Clisson
- Cluckers
- Cluzaud
- Clémenceau
- Cnaib
- Cobret
- Cochevelou
- Cognee
- Coheleach
- Collette
- Collier
- Collot
- Colombier
- Colpin
- Colson
- Colussi
- Combot
- Commenge
- Compagnon
- Conant
- Conde
- Conil
- Conseil
- Constans
- Constantin
- Conte
- Conti
- Convert
- Cooper
- Corbe
- Corbi
- Cordazzo
- Corlosquet
- Corneau
- Cornuau
- Corompt
- Coronel
- Corthier
- Corticchiato
- Cossard
- Cosse
- Cosseau
- Costeau
- Cottennec
- Cottreau
- Coudert
- Coue
- Couet
- Couffin
- Cougot
- Coulibaly
- Counil
- Courant
- Courapied
- Couraud
- Couret
- Courgeau
- Cournut
- Courtel
- Coussot
- Coustaud
- Coutand
- Couthouis
- Couture
- Cozic
- Crenon
- Crespel
- Crespin
- Cresson
- Creton
- Crica
- Croquin
- Cros
- Crousilliacq
- Crouton
- Cruaud
- Cruz
- Cueille
- Cugnot
- Cummings
- Cunin
- Cuvelier

