Besançon 25000 - Franche-Comté
- Christian
- Christin
- Chrétien
- Chupin
- Ciampaglia
- Cicek
- Cioce
- Cionco
- Citas
- Citoyen
- Ciurar
- Clad
- Clady
- Clape
- Claudette
- Claudio
- Claudon
- Clauzel
- Clavequin
- Claver
- Claveria
- Clergeat
- Clerici
- Clero
- Clivio
- Cloarec
- Clochey
- Closquinet
- Cnockaert
- Coignet
- Coillot
- Cokelaer
- Col
- Colette
- Colinet
- Collas
- Colleuil
- Colmagne
- Colombain
- Colombet
- Colon Villeneuve
- Colson
- Coltat
- Coly
- Combi
- Combrousse
- Comparet
- Condamin
- Condamine
- Conese
- Cong
- Congard
- Congost
- Conord
- Conot
- Conraud
- Conry
- Conscience
- Constant
- Contant
- Contour
- Contreras Torres
- Conus
- Convert-gaubier
- Copin
- Coppola
- Coq
- Corentin
- Corgini
- Cormerais
- Cormery
- Cornevaux
- Cornut
- Corriette
- Corroy
- Corsini
- Cort
- Cortes
- Cosmai
- Cosotti
- Costantini
- Costille
- Cot
- Cotleur
- Coton
- Cottet-emard
- Cottiny
- Couche
- Couchot
- Coudurier
- Couesmes
- Coulaud
- Coulet
- Coupannec
- Courcenet
- Court
- Courtalin
- Coutechier
- Couturet
- Craffe