Lorient 56100 - Bretagne
- Chevray
- Chopin
- Chrestien
- Christelle
- Churie
- Ciaravola
- Cipolla
- Clemot
- Clenet
- Cleren
- Cloerec
- Cloirec
- Cloitre
- Coche
- Cocoual
- Cocoual Levoeuf
- Coguen
- Cohen
- Cohic
- Coic
- Coiffic
- Coignard
- Coillot
- Coindet
- Cojean
- Colmant
- Colo
- Colson
- Combes
- Coniglio
- Conrad
- Conseil
- Conslin
- Conte
- Coquillard
- Corbe
- Corbierre
- Corbille
- Corbou
- Coreau
- Corlou
- Cormier
- Cornaly
- Cornec
- Cornou
- Cornély
- Corral
- Corvellec
- Cosson
- Costin
- Cote
- Cotonnec
- Cotte
- Coueffic
- Cougoulic
- Courbe
- Courtai
- Courtel
- Courtemanche
- Cozette
- Coïc
- Crantelle
- Crapart
- Cravic
- Cravier
- Creignou
- Cremel
- Creneguy
- Creput
- Cristien
- Croissant
- Crombez
- Cumin
- Curcio
- Cuzon
- Dacquay
- Dalle
- Dalleau
- Damien
- Damour
- Dancourt
- Dandine
- Dani
- Danilo
- Danion
- Dauffin
- Daumas
- Davenel
- Davigo
- de La Reberdiere
- de Oliveira
- de Pryck
- de Soras
- Debande
- Debroize
- Del Din
- Delahaie
- Delahaye
- Delalleau
- Delcher
