Rennes 35000 - Bretagne
- Cardon
- Cardoso
- Cardozo
- Carduner
- Careil
- Cario-guillemette
- Cariot
- Caris
- Carissan
- Carlo Pathiaux
- Carlot
- Carmoine
- Carnec
- Carole
- Carou
- Carpe
- Carpier
- Carreric
- Carreyre
- Carric
- Carrier
- Carrio
- Carrot
- Carsin
- Carson
- Casini
- Casseron
- Cassé
- Castagne
- Castelain
- Castella
- Castera
- Castro Fonseca
- Castro Roldan
- Catrouillet
- Caubet
- Caudron de Coquereaumont
- Cavalan
- Cavallera
- Cavan
- Cavarlé
- Cavret
- Cavyn
- Cazal
- Caze
- Cazeneuve
- Cazo Ballesteros
- Cecile
- Celgoh
- Ceppi
- Cerbelaud
- Cerou
- Certenais
- Cesbron
- Cetin
- Chaar
- Chabalier
- Chabanon
- Chabay
- Chable
- Chabrier
- Chabrol
- Chagneau
- Chagnon
- Chahurel
- Chaigne
- Chaignon
- Chailleux
- Chalal
- Chales
- Challe
- Chalot
- Chalumeau
- Chalvin
- Chama
- Chamasse
- Chambard
- Chambom
- Chambrin
- Chamimade
- Chamousdine
- Champetier de Ribes
- Chamrion
- Chan
- Chandanmal
- Chanel
- Chanoine
- Chanot
- Chantier
- Chantret
- Chapelan
- Chapelier
- Chapellon
- Chapuzet
- Charabot
- Chardevel
- Chardonnet
- Charenton
- Charlet
- Chasle