Paris - Île-de-France
- Cade
- Cadin
- Cagnat
- Cahuzac
- Cailliau
- Cain
- Caitucoli
- Calaber
- Calabrese
- Caliskan
- Callewaert
- Callot
- Calonnec
- Calpas
- Camelot
- Camy
- Canales
- Canit
- Canitrot
- Cann
- Canova
- Cantenot
- Capgras
- Capoulade
- Cappelaere
- Cara
- Caracciolo
- Caratini
- Carballo
- Cardinali
- Carillo
- Carion
- Caristan
- Carlot
- Caroli
- Carrat
- Carrey
- Carrizo
- Carroll
- Caruana
- Casalino
- Casanave
- Casey
- Casini
- Casset
- Castany
- Castell
- Castres Saint Martin
- Catella
- Cauchi
- Caudrelier
- Caujolle
- Caurier
- Caussanel
- Cavaco
- Cayatte
- Cayre
- Cazeaux
- Cella
- Cendrier
- Cepeda
- Cerceau
- Cerri
- Cervantes
- Cetin
- Ceylon
- Chaaban
- Chabat
- Chabolle
- Chadefaux
- Chaffard
- Chaillan
- Chalanset
- Chalaux
- Chalbi
- Chalghoum
- Chalifour
- Challet
- Challine
- Challita
- Chalom
- Chalot
- Chalvon Demersay
- Chambeau
- Chambolle
- Chambrin
- Champain
- Champsaur
- Chance
- Chancerel
- Chancereul
- Chandelier
- Chanfi
- Chantelot
- Chantepie
- Chanu
- Chanvillard
- Chaouali
- Chapard
- Chapot