Saint-Brieuc 22000 - Bretagne
- Bruneau
- Bugnet
- Bureau
- Buronfosse
- Bussard
- Butsanets
- Cadalen
- Cadic
- Cadiou
- Cadou
- Cahoreau
- Caillibotte
- Callar
- Callec
- Calmettes
- Cals
- Camara
- Camard
- Camper
- Cancoin
- Cannecu
- Caprio
- Carchon
- Carfantan
- Caron
- Carrasquilla
- Carret
- Carriou
- Carré
- Cassagnau
- Catherine
- Cathou
- Cauchois
- Caurouge
- Cave
- Cebron
- Chabaud
- Chaffar
- Chakhnazarova
- Chakri
- Champion
- Chapalain
- Chapelain
- Chaplet
- Chardonnet
- Charlès
- Charrier
- Chartier
- Charvet
- Chauffournier
- Chaumont
- Chauveau
- Chedmail
- Cheneau
- Chenu Thomas
- Cherdot
- Cherifi
- Cherrier
- Cherruault
- Chevallier
- Chevanton
- Choupeaux
- Chourak
- Chretien
- Chupin
- Ciudad
- Claustre
- Clech
- Closier
- Clouet
- Coadou
- Cochegrue
- Cocquebert
- Coeuret
- Cojean
- Colbeau
- Collard
- Colleu
- Collong
- Colombier
- Colombo
- Combes
- Combot
- Commault
- Conchou
- Contrant
- Coopman
- Coquelle
- Corbet
- Corbier
- Corbin
- Cornu
- Correia Dias
- Corvec
- Cosnard
- Costa
- Cottebrune
- Courtay
- Courtois
- Couturier
