Orléans 45000 - Centre
- Chia
- Chicaud
- Chigot
- Chou
- Chouane Hericourt
- Choummanivong
- Christiane
- Chrétien
- Cimadevilla
- Cimignani
- Cinar
- Cinna
- Claudel
- Clavier
- Clermont
- Clet
- Clin
- Coatmeur
- Coban
- Cochin
- Cocq
- Coeur
- Cohen
- Cohou
- Coin
- Coince
- Cointepas
- Colcomb
- Cole
- Collas
- Collignon
- Colon de Franciosi
- Combemorel
- Come
- Communeau
- Connault
- Coquant
- Coquereau
- Coquet
- Corbeau
- Corbel
- Cordeiro
- Cordeiro de Abreu
- Cornu de La Fontaine
- Corregan
- Correia de Faria
- Cortial
- Cortin
- Costache
- Costes
- Cotreuil
- Cottereau
- Cottier
- Cottin
- Coudert
- Couffi
- Coujour
- Courant
- Couratier
- Couratin
- Courcelle
- Courcelles
- Courte
- Courtel
- Courville
- Coutaud
- Coutenceau
- Couturaud
- Couture
- Couturiot
- Couvreux
- Coymes
- Crepin
- Crespin
- Creteur
- Crevel
- Cristian
- Croix
- Croixmarie
- Croville
- Croze
- Crus
- Cuenot
- Cunha
- Curassier
- Cure
- Da Mota
- Da Silva Carvalho
- Da Silva Ribeiro
- Dabard
- Dabier
- Dabout
- Dagnet
- Daigurande
- Dalliand
- Dameron
- Damien
- Damion
- Daneshvar
- Dantas
