Châteaulin 29150 - Bretagne
- Boutin
- Boyer
- Bozkurt
- Bradol
- Bramoulle
- Brechard
- Breyene
- Briec
- Briec-le Guillou
- Brigand
- Bris
- Britto
- Brochard
- Broseta
- Brulebois
- Bruley
- Bruneau
- Bucaille
- Buisset
- Bulba
- Buzit
- Bégos
- Cabaret
- Cadoret
- Cadro
- Caignard
- Cailleau
- Calligaro
- Calloch
- Campion
- Cannic
- Caourin
- Caradec
- Carcoana
- Cariou Couchouron
- Carquet
- Carrizo
- Carrière
- Carval
- Cattarossi
- Cevaër
- Chalm
- Chantoiseau
- Chapeau
- Charles
- Charloto
- Chateau
- Chatelain
- Chatendeau
- Chopin
- Choplin
- Chouraqui
- Christian
- Ciappina
- Cinar
- Clauss
- Clerc
- Cloatre
- Closson
- Cléran
- Cnudde
- Cochard
- Cochet
- Codrus
- Coisy
- Colin
- Colinet
- Collet
- Collorec
- Colombu
- Colosimo
- Colville
- Condette
- Congard
- Coquet
- Corfa
- Coriou
- Cornet
- Corneyllie
- Cornic
- Coroller
- Cosperec
- Cosqueric
- Costaoec
- Courte
- Courteaux
- Coutant
- Creis
- Crenault
- Cretollier
- Croissant
- Cusson
- d'herve
- d'hervez Cadiou
- Dagorn
- Dalard
- Damiens
- Damoy-rolland
- Danglades
- Danos