Saint-Quentin 02100 - Picardie
- Celik
- Celine
- Cendre
- Cerqueira
- Cery
- Cesselin
- Chabane
- Chabotier
- Chabour
- Chadli
- Chan
- Chardon
- Charpiot
- Chartrez
- Charuel
- Chavanne
- Chavenay
- Chedeville
- Chelabi
- Chenenaoui
- Cherif
- Cheron
- Chesnay
- Chilain
- Chilliez
- Chimot
- Chlodnicki
- Choain
- Chombart Meuret
- Chouaibi
- Chouarbi
- Chovanec
- Cieslak
- Ciloche
- Claerbout
- Claret
- Clarot
- Clauet
- Claëys
- Clemensart
- Clery
- Closset
- Clotte
- Coban
- Cocart
- Cochon
- Coez
- Cohardy
- Colas
- Colombelle
- Colombet
- Colot
- Colpart
- Comel
- Comte
- Conduto
- Cool
- Copeau
- Copin
- Corbel
- Corbineau
- Cordella
- Cornaille
- Cornut
- Cottart
- Cottenest
- Coudoux
- Cougneau
- Coume
- Coupain
- Coupaye
- Courboin
- Coutellier
- Couture
- Couturier
- Couvelard
- Couvreur
- Covin
- Cozema
- Cozette
- Crapart
- Crapet
- Crette
- Crinon
- Croise
- Croquet
- Croulard
- Cueff
- Cuisinier
- Cuisset
- Cumplido
- Curillon
- Cussac
- Custodero
- Cuvelette
- Cuvelier
- d'aguanno
- Daimé
- Dambricourt
- Dani