Nancy 54000 - Lorraine
- Ciancioni
- Cicchini
- Ciceron
- Ciel
- Cieslik
- Ciliberti
- Cinqualbre
- Cirelli
- Cirpaciu
- Cisowski
- Cissakho
- Clauzade
- Clemenceau
- Clero
- Clochette
- Clop
- Clos
- Clozet
- Clée
- Cocco
- Cochart
- Cochereau
- Coeuret
- Cohn
- Coiffard
- Colette
- Collas
- Collette
- Collomb
- Collombier
- Colnat
- Colnet
- Colombain
- Colombel
- Coly
- Combe
- Combret
- Come
- Commenville
- Comoli
- Compain
- Compare
- Condre
- Conerardy
- Conraud
- Conreux
- Conroux
- Conroy
- Conseille
- Contamin
- Contesse
- Contoux
- Copelli
- Coqueron
- Coralie
- Corbet
- Cordeiro
- Cordella
- Cornelis
- Corzani
- Cosson
- Costes
- Cote
- Cottet
- Cottray
- Couillot
- Coulange
- Coulet
- Counot
- Courageot
- Courcier
- Courtaux
- Courtney
- Coutinho
- Couturieux
- Couve
- Coydon
- Crance
- Crapsky
- Crave
- Crehange
- Cremona
- Creteur
- Creton
- Crevel
- Criqui
- Crispini
- Crochetet
- Cronel
- Crouvezier
- Crouvizier
- Crouzille
- Crovisier
- Crucy
- Cruz Lara
- Cuenin
- Curti
- Curto
- Cyrille
- Czerska