Lorient 56100 - Bretagne
- Carel
- Careo
- Carer
- Cargouet
- Carman
- Carnec
- Caro
- Carrer
- Carrier
- Cartegnies
- Carvalho
- Casseron
- Castelain
- Castot
- Castro
- Catherine-joffrion
- Caurant
- Cavan
- Chabbert
- Chagnon
- Chagrot
- Chahboun
- Chani
- Chapelot
- Charbonneau
- Charbonnier
- Chardonnet
- Chardoux
- Charliot
- Charreteur
- Charrette
- Charzat
- Chatelin
- Chaudronnier
- Chaupin
- Chaze
- Chemille
- Chenal-bordonnot
- Cheng
- Cheny
- Cherruau
- Chesneau
- Chevillard
- Chevray
- Chevrollier
- Chhim
- Chol
- Chopin
- Christin
- Ciaravola
- Clenet
- Cleren
- Cleuziou
- Cloerec
- Clugery
- Cochard
- Cochin
- Cogat
- Coguen
- Cohic
- Cohoner
- Coiffic
- Coignard
- Coillot
- Coince
- Coindet
- Cojean
- Colak
- Colineau
- Collober
- Colmant
- Colmou
- Colo
- Colombert
- Colson
- Combet
- Compere
- Coniglio
- Conrad
- Conslin
- Contant
- Conte
- Coquillard
- Corbierre
- Cormier
- Cornaly
- Corne
- Cornou
- Cornély
- Corven
- Cosnard
- Cosson
- Costaouec
- Cotche
- Cotte
- Coueffic
- Couic
- Courant
- Couriaud
- Courtete