Saint-Quentin 02100 - Picardie
- Cagneaux
- Caillaux
- Caille
- Cailleux
- Caire
- Caldas
- Callence
- Cambray
- Cambrelin
- Campagne
- Campoverde
- Canone
- Capellier
- Capito
- Caplin
- Carcelé
- Carcy
- Cardon
- Care
- Carnoy
- Carré
- Caru
- Casar
- Cassar
- Castelain
- Castellani
- Castro
- Caton
- Cattelain
- Caucheteux
- Caullier
- Cavel
- Cazel
- Cazé
- 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