Lorient 56100 - Bretagne
- Briquet
- Bris
- Brivoal
- Brossier
- Bruelle
- Bruhat
- Brun
- Bruschi
- Brélivet
- Budon
- Buffiere
- Buhe
- Bui
- Burgaud
- Burlot
- Burtin
- Busch
- Busuttil
- Butel
- Bégot
- Bénéat
- Bénéteau
- Cabon
- Caby
- Cacan
- Cade
- Cadiou
- Caillet
- Cailleux
- Calis
- Callac
- Calloc'h
- Calve
- Cam
- Camenen
- Campagne
- Canévet
- Capon
- Capp
- Cappe
- Carcel
- Cardiet
- Cardonne
- Careo
- Carer
- Carlier
- Carman
- Carnec
- Caro
- Carrer
- Carreric
- Carrola
- Carteron
- Cassan
- Castanie
- Castelot
- Castot
- Castro
- Catherine
- Catherine-joffrion
- Catrevaux
- Cavan
- Cecconi
- Chacun
- Chadli
- Chagnon
- Chahboun
- Chandavoine
- Chanfi
- Chani
- Chanliaux
- Chapel
- Chapelat
- Chapelle
- Chapelot
- Chappel
- Chapron
- Charbonnier
- Chardon
- Chardonnet
- Chardoux
- Charliot
- Charlès
- Charmel
- Charrette
- Charzat
- Chatelard
- Chaudronnier
- Chaupin
- Chaze
- Chemille
- Chenal-bordonnot
- Chenebaud
- Cheny
- Cherioux
- Cherruau
- Cheru
- Chesnel
- Chevillard
- Chevray