Paris - Île-de-France
- Cascarino
- Caseiro
- Casellas
- Caserta
- Casez
- Casile
- Cassanet
- Cassidy
- Cassigneul
- Cassim
- Cassimatis
- Cassini
- Cassonnet
- Castaignet
- Castaings
- Castanheira
- Castarede
- Castellana
- Castelot
- Castiglione
- Castilla
- Castillon Du Perron
- Castres
- Catalao
- Catelin
- Catherin
- Catonne
- Catteloin
- Cattiaux
- Cauchi
- Caullet
- Caumon
- Caupenne
- Causeret
- Cautela
- Cavallier
- Cavazza
- Cavel
- Cavero
- Cazalaa
- Cazedepats
- Cazottes
- Cea
- Ceccato
- Cecchini
- Cecconi
- Ceddaha
- Cellerier
- Celnik
- Celton
- Cely
- Cen
- Ceranton
- Cercle
- Ceron
- Cerruti
- Cert
- Certa
- Cesarini
- Cetinkaya
- Cha
- Chaalal
- Chabal
- Chabchoub
- Chabira
- Chabloz
- Chaccour
- Chachoua
- Chafa
- Chaffar
- Chaffaut
- Chagnard
- Chagniot
- Chagnollaud
- Chahboun
- Chahboune
- Chaignaud
- Chaignot
- Chaillon
- Chaintreuil
- Chalak
- Chaleard
- Chaleil
- Chalem
- Chalmin
- Chalopin
- Chalot
- Chamakhi
- Chamand
- Chambat
- Chambras
- Chambraud
- Chameau
- Chamekh
- Chamkhia
- Chamlou
- Chammas
- Chamois
- Chamouni
- Chamouton
