Orléans 45000 - Centre
- Chhum
- Chia
- Chicaud
- Chigot
- Chlyah
- Cholet
- Chou
- Chouane Hericourt
- Choummanivong
- Christiane
- Chrétien
- Chumont
- Cimadevilla
- Cimignani
- Cinar
- Cinna
- Cintrat
- Clavier
- Clermont
- Clet
- Clin
- Coatmeur
- Cochin
- Cocks
- Cocq
- Cohen
- Cohou
- Coin
- Coince
- Cointepas
- Colcomb
- Cole
- Collas
- Collignon
- Collin
- Colon de Franciosi
- Come
- Communeau
- Connault
- Consigny
- Coquant
- Coquereau
- Coquet
- Coquin
- Corbeau
- Corbel
- Cordeiro
- Cordeiro de Abreu
- Cornec
- Cornu
- Cornu de La Fontaine
- Corregan
- Correia de Faria
- Cortial
- Cortin
- Costache
- Costecalde
- Costes
- Cotreuil
- Cottier
- Coubrais
- Coupe
- Couratier
- Courcelle
- Courcelles
- Courte
- Courtel
- Courville
- Coutant
- Coutaud
- Couturaud
- Couturiot
- Couvreux
- Coymes
- Crepin
- Crespin
- Creteur
- Crevel
- Croix
- Croixmarie
- Croville
- Croze
- Cuenot
- Cunha
- Cure
- Czajka
- Da Mota
- Dabard
- Dabier
- Dagnet
- Daigurande
- Dalibon
- Dallee
- Dalliand
- Dambert
- Dameron
- Daneshvar
- Dantas
- Dantin
- Dany
