Besançon 25000 - Franche-Comté
- Carel
- Carisey
- Caritey
- Carmille
- Carpentier
- Carrara
- Cart-lamy
- Casado
- Casagrande
- Casale
- Casenave
- Castillon
- Catherine
- Cetre
- Chabane
- Chahd
- Chalnot
- Chamagne
- Champenoux
- Champion
- Champreux
- Chanet
- Chanthavong
- Chaoui
- Chapel
- Chappuis
- Chareton
- Charlet
- Charnay
- Charrier
- Charyk
- Chatelet
- Chatillon
- Chatrenet
- Chaudey
- Chauffet
- Chaury
- Chauvez
- Chavet
- Chavin
- Chedmy
- Chen
- Chenevez
- Chergui
- Cherif
- Chesnais
- Chesneau
- Chevenement
- Chick
- Chipeaux
- Chirac
- Choffel
- Chopard Lallier
- Chopin
- Chouk
- Christine
- Chwatacz
- Ciamala
- Clairotte
- Clavel
- Clere
- Cocot
- Cohen
- Coincenot
- Cointet
- Coley
- Collaud
- Colleuille
- Colombani
- Colombier
- Colomer
- Combet
- Comtet
- Coquard
- Corbin
- Cornet
- Cornue
- Coudry
- Couilbault
- Coulibaly
- Cour
- Coutal
- Coutherut
- Couvreur
- Cressot
- Cretenet
- Creva
- Crivelli
- Crucet
- Cuby
- Cugini
- Cugney
- Curlier
- Curtil
- Cywinski
- Dadou
- Dame
- Damien
- Damy
- Dan