Rennes 35000 - Bretagne
- Chicoine
- Chignard
- Chiki
- Childadayan
- Chini
- Chiriac
- Chochois
- Choine
- Choplin
- Chouesne
- Chouf
- Chouinard
- Choukri
- Chouquet
- Chowdhury
- Christian
- Christmann
- Chuillet
- Chuinard
- Chéruel
- Cidoine
- Cinar
- Cioban
- Civi
- Claasen
- Clainchard
- Clais
- Clamens
- Clappier
- Claquin
- Claude
- Claudet
- Claudine
- Clausse
- Claustre
- Clauzier
- Clavere
- Clavier
- Clavot
- Clemence
- Cleret
- Climovich
- Cloerec
- Cloirec
- Cloteau
- Clotteau
- Coadour
- Coallia
- Coatanea
- Coatanroch
- Coateval
- Coatrieux
- Cobut
- Cocard
- Cochevelou
- Cochin
- Codjia
- Coedelo
- Coedic
- Coeffe
- Coeur-quetin
- Coeuret
- Coffinet
- Cogam
- Cognet
- Cogné
- Cogranne
- Cogrel
- Coic
- Coirier
- Cojan
- Colasse
- Colcombet
- Coleu
- Collas
- Colleau
- Collette
- Colling
- Colliot
- Collongues
- Collyer
- Coloigner
- Colombier
- Colomes
- Colonne
- Combe
- Combescot
- Comboue
- Comby
- Come
- Comere
- Comes
- Comier
- Comite Etablissement Renault
- Commandoux
- Compere
- Conduche
- Conga
- Congard
- Conquerant