Lorient 56100 - Bretagne
- Bremond
- Breneol
- Brenner
- Brichard
- Briend
- Briere
- Briffaut
- Brin
- Brinon
- Briquet
- Bris
- Brischoux
- Brivoal
- Brohan
- Brongniart
- Bronsard
- Brossier
- Brouard
- Bruelle
- Bruschi
- Brélivet
- Budon
- Buhe
- Buisson
- Burgaud
- Burlot
- Burtin
- Busuttil
- Bélégou
- Bénéat
- Cabillic
- Cabon
- Caby
- Cacan
- Cade
- Cadio
- Cadiou
- Caillaud
- Caille
- Calis
- Calloc'h
- Calve
- Cam
- Camenen
- Capp
- Cappe
- Carcel
- Cardonne
- Careo
- Carlier
- Carnec
- Caro
- Carrer
- Carreric
- Carteron
- Casanova
- Cassan
- Castelot
- Castro
- Catherine
- Catherine-joffrion
- Catrevaux
- Caubet
- Cecconi
- Chacun
- Chadli
- Chagnon
- Chahboun
- Chalons
- Chandavoine
- Chanliaux
- Chapel
- Chapelat
- Chapelle
- Chardon
- Chardoux
- Charliot
- Charmel
- Charrette
- Chartier
- Chaudronnier
- Chaze
- Chemille
- Chenal-bordonnot
- Cheny
- Cherioux
- Cherruau
- Cheru
- Chesnel
- Chevallier
- Chevray
- Chopin
- Chrestien
- Christelle
- Churie
- Ciaravola
- Cipolla
- Clemot
- Clenet
- Cleren

