Reims 51100 - Champagne-Ardenne
- Cloos
- Clot
- Cobetto
- Cochart
- Cochin
- Cochon
- Cocquebert
- Codehou
- Coder
- Coeffier
- Coeuret
- Coeuriot
- Cohen
- Coignet
- Cointo
- Coizy
- Colantonio
- Colbeaux
- Colette
- Collier
- Collino
- Colmer
- Colombier Lebon
- Colpin
- Coltier
- Combemorel
- Comblet
- Combo
- Come
- Comel
- Commenil
- Communeau
- Compas
- Compère
- Comyn
- Conce
- Conquere
- Conreur
- Conseil
- Contesse
- Conti
- Coppens
- Copreau
- Coquillard
- Coquizart
- Corbara
- Corbel
- Corda
- Cordani
- Cordeuil
- Cordonnier
- Cordy
- Corentin
- Coret
- Corgié
- Cormon
- Cormy
- Cornec
- Cornellana
- Cornic
- Corpart
- Cortinovis
- Cosmo
- Cosnefroy
- Cossenet
- Cossin
- Costel
- Cotel
- Cottin
- Couchon
- Couget
- Couillard
- Coupard
- Coupet
- Courcy
- Courmont
- Court Tavares
- Courtehoux
- Courtet
- Courtier
- Cousina
- Coustheur
- Coustier
- Coustillet
- Couto Rua
- Coutti
- Couty
- Cozema
- Cozic
- Crabs
- Craciun
- Crampon
- Crancee
- Crane
- Credot
- Cremont
- Crepel
- Cristani
- Cristina Costa
- Croce