Lyon - Rhône-Alpes
- Bredillet
- Breganni
- Brelivet
- Bremaud
- Bressac
- Breteau
- Breugnot
- Brevi
- Brian
- Briard
- Bride
- Bridot
- Brignon
- Brihmat
- Brillon
- Brin
- Bringer
- Briot
- Briottet
- Brioude
- Briquet
- Bris
- Brito
- Brizard
- Brochand
- Brochenin
- Brogniart
- Brolles
- Brongniart
- Bros
- Brossat
- Broto Mur
- Brotons
- Brousset
- Broutin
- Browne
- Brugger
- Bruguiere
- Brulard
- Brulas
- Brunat
- Brunet Lecomte
- Brunetti
- Brusq
- Bruss
- Brusset
- Brussin
- Brutin
- Bruxer
- Bruyeron
- Buche
- Buchot
- Buchwalter
- Buetas
- Buffaud
- Buffelard
- Bufferne
- Buffin
- Bugea
- Buhagiar
- Buisine
- Bully
- Bulot
- Bultel
- Bun
- Bunel
- Buon
- Buonomo
- Burgos
- Burle
- Burloux
- Burnoud
- Burry
- Bury
- Bussery
- Busseuil
- Bussière
- Butel
- Butet
- Buttarazzi
- Buttay
- Buyukkalkan
- Byrne
- Böttcher
- Caba
- Caballero
- Cabane
- Cabasson
- Cabel
- Cachet
- Cadas
- Cadeau
- Cadiou
- Cadoz
- Cagnin
- Cahen
- Caignaert
- Caillens
- Calas
- Caldero
