Saint-Quentin 02100 - Picardie
- Cambray
- Campagne
- Campoverde
- Canel
- Capellier
- Capiaux
- Capito
- Carcy
- Care
- Carnoy
- Caro
- Carretero
- Casar
- Caspar
- Castellani
- Catherine
- Caton
- Cattelain
- Caucheteux
- Cauchois
- Caze
- Cazé
- Celik
- Cerqueira
- Cesselin
- Chabotier
- Chabour
- Chalandre
- Champrenaut
- Chan
- Charlier
- Charoze
- Charpentier
- Chartrez
- Charuel
- Chavet
- Chazalon
- Chedeville
- Chehab
- Chendri
- Chenenaoui
- Chenevarin
- Cheron
- Chevrin
- Choain
- Chovanec
- Christine
- Christophe
- Cimen
- Claerbout
- Claisse
- Claret
- Claude
- Cloin
- Clotte
- Coban
- Cochon
- Coez
- Coffin
- Colas
- Colombelle
- Colombet
- Colpart
- Comel
- Conduto
- Cool
- Copeau
- Copin
- Corbeaux
- Corbel
- Corbineau
- Cordella
- Cornaille
- Cornut
- Costa
- Costil
- Cottel
- Cottenest
- Cottereaux
- Cougneau
- Couillart
- Coume
- Coupaye
- Courboin
- Coutellier
- Coutte
- Couturier
- Couvelard
- Couvreur
- Covin
- Crapart
- Crapet
- Crinon
- Croise
- Croquet
- Croulard
- Cuisinier
- Cuisset
- Cumplido
- Cunha Carvalho
