Loctudy 29750 - Bretagne
- Boennec
- Boissel
- Boissier
- Boisvieux
- Bon
- Bonder
- Bondoux
- Bonfill
- Bonizec
- Bonnel de Lattre
- Bordiec
- Borella
- Borgne
- Boronad
- Bortoluzzi
- Botrel
- Boucharinc
- Boucher
- Boue
- Bouguennec
- Bougueon
- Bouhet
- Bouillot
- Bounoure
- Bouny
- Bourdon
- Boure
- Bourjon
- Bourny
- Bourseul
- Boutignon
- Bouvet
- Brachet
- Branly
- Brauge
- Brault Soulie
- Bren
- Brenaut
- Breton
- Briand
- Briant
- Bricard
- Briec
- Brien
- Briet
- Brissom
- Brossier
- Bruere
- Brulard
- Brun
- Brunier
- Bureaux
- Bureller
- Burgos
- Béréhouc
- Caballina
- Cachet
- Cachin
- Caignard
- Caillard
- Caiveau
- Calastreng
- Callarec
- Callé
- Cannic
- Canon
- Cantin
- Cantrelle
- Canévet
- Caoudal
- Cap
- Capiaux
- Caradec
- Carasco
- Carcaillet
- Carillot
- Cariou Larnicol
- Carn
- Caro
- Caron
- Carpentier
- Carre Le Saux
- Carrey
- Carrolaggi
- Carron
- Caruel
- Cassar
- Castanie
- Catherineau
- Causer
- Cavarle
- Cayet
- Celibert
- Cevaër
- Chaix
- Chalaye
- Chanudet
- Chapon
- Charlot Jocelyne
- Chatalen