Vannes 56000 - Bretagne
- Cavin
- Caye
- Celepci
- Celibert
- Cellerier
- Cevaer
- Cevik
- Chabane
- Chabin
- Chaboud
- Chabran
- Chailloux
- Champagne
- Chantreau
- Chantrel
- Chapellier
- Chardola
- Charial
- Charmont
- Charrier
- Charuel
- Charvet
- Chataigner
- Chatel
- Chauprade
- Chauvel
- Chauvet-morin
- Cheron
- Chevance
- Chevillard
- Chevreuil
- Chiche
- Chognard
- Choquet
- Chotard
- Christelle
- Chrétien
- Chérel
- Clabault
- Clain
- Claude
- Cledic
- Clery
- Clouet
- Cloérec
- Cluzeau
- Clément
- Cléry
- Coadic
- Coateval
- Coban
- Cobigo
- Cochard
- Coetmellec
- Cohan
- Coise
- Colleaux
- Collet Georget
- Collias
- Colliguer
- Colombel
- Combes
- Comot
- Compain
- Conquer
- Coquelin
- Corbisi
- Corduan
- Coric
- Cornec
- Cornic
- Cornudet
- Cortes
- Corven
- Coskun
- Costes
- Cottais
- Coudrais
- Couedic
- Cougard
- Coulais
- Coulange
- Coulet
- Couprie
- Courbin
- Courtet
- Coutard
- Coutellier
- Coz
- Cozigou
- Coëffic
- Crabot
- Crambert
- Creach
- Credou
- Crenn
- Crepeau
- Crequer
- Crespel
- Creste