Lorient 56100 - Bretagne
- Broussot
- Bruchec
- Bruelle
- Bruschi
- Brélivet
- Budon
- Buhe
- Buisneau
- Buisson
- Burgaud
- Burlot
- Burtin
- Busson
- Bustean
- Bélégou
- Cabon
- Caby
- Cacan
- Cade
- Cadio
- Cadiou
- Caillet
- Calis
- Calloc'h
- Calve
- Camara
- Camenen
- Capelle
- Cappe
- Cararon
- Carcel
- Cardonne
- Carduner
- Careo
- Carlier
- Carnec
- Caro
- Carpentier
- Carreric
- Carteron
- Casanova
- Cassan
- Castelli
- Castelot
- Castro
- Catherine
- Catrevaux
- Cattoor
- Caubel
- Cecconi
- Chadli
- Chagnon
- Chahboun
- Chalons
- Chandavoine
- Chanliaux
- Chapel
- Chapelle
- Chardon
- Chardoux
- Charliot
- Charmel
- Chartier
- Chatillon
- Chaudronnier
- Chaze
- Chemille
- Cherioux
- Cherruau
- Cheru
- Chesnel
- Chevallier
- Chevray
- Churie
- Ciaravola
- Clemot
- Cleren
- Cloerec
- Cloitre
- Cocaut
- Coche
- Cocoual
- Cocoual Levoeuf
- Coguen
- Cohic
- Coic
- Coiffic
- Coignard
- Coillot
- Coindet
- Cojean
- Collin Foucard
- Colmant
- Colmont
- Colson
- Combes
- Compere
- Coniglio
- Conrad
- Conseil

