Besançon 25000 - Franche-Comté
- Claveria
- Clergeat
- Clerici
- Clero
- Clivio
- Cloarec
- Closquinet
- Cnockaert
- Cochet
- Cohadon
- Coignet
- Coillot
- Cokelaer
- Col
- Colette
- Colinet
- Collas
- Colleuil
- Colmagne
- Colombain
- Colombet
- Colomer
- Colon Villeneuve
- Coltat
- Combi
- Combrousse
- Comparet
- Comtet
- Condamin
- Conese
- Cong
- Congard
- Congost
- Conot
- Constant
- Contant
- Contreras Torres
- Conus
- Convert-gaubier
- Copin
- Coppola
- Coq
- Coquiard
- Corentin
- Corgini
- Cormery
- Cornevaux
- Cornut
- Corriette
- Corroy
- Corsini
- Cort
- Cortese
- Cosmai
- Cosme
- Costantini
- Costille
- Cot
- Cotleur
- Coton
- Cottet-emard
- Cottiny
- Couche
- Couchot
- Coudurier
- Couesmes
- Coulet
- Coupannec
- Courcenet
- Coutechier
- Couturieux
- Craffe
- Cramoisy
- Crance
- Crelier
- Creusy
- Creuze Laurence
- Croissant
- Croizier
- Crotet
- Crouillet
- Crouvoisier
- Crucet
- Cucherousset
- Cueney
- Cugnot
- Cuisines Rognon
- Cuisinier
- Cultet
- Cura
- Curel
- Curien
- Curt
- Cusey
- Cussey
- Cuvelier
- Cuynet
- Cwikla
- Cyre
- d'attoma