Bayonne 64100 - Aquitaine
- Brulefert
- Bruno
- Bryant
- Buckel
- Bueno
- Buquet
- Bureau
- Burgue
- Burguet
- Burucoa
- Butel
- Buteux
- Buttet
- Caballero
- Caboche
- Cacareigt
- Cacault
- Caignec
- Caillaba
- Caillabet
- Cailleba
- Caldas
- Calero
- Caliot
- Calmel
- Calmont
- Camberabero
- Camelin
- Campandegui
- Campion
- Canamero Valares
- Cano
- Canovas
- Cantin
- Cany
- Capela
- Capilla
- Cappai
- Cappello
- Carballo
- Carles
- Carlos
- Carneiro Ribeirinha
- Carole
- Caroline
- Carraro
- Carrera
- Carrey
- Caruso
- Casalta
- Casanave
- Cassaing
- Cassez
- Cassou
- Castaignede
- Castanet
- Catherine
- Cauchez
- Caugnon
- Caumont
- Cavaterra
- Cazalets
- Cazamayou
- Cazaunau
- Cazcarra
- Cazeaux
- Cazenave Dayraut
- Cazet
- Cebedio
- Ceccon
- Celhay
- Cerdan
- Chabassier
- Chabat
- Chabbert
- Chabib
- Chabrol
- Chadourne
- Chagneau
- Chamayou
- Chambin
- Chambon
- Chambres
- Champagne
- Champarnaud
- Chapelain
- Chapelie Marty
- Chaperon
- Chaptal
- Charonnat
- Charron
- Charvier
- Chassin
- Chaubet
- Chaulet
- Chauvin
- Chazette
- Chereau
- Cherief
- Chetouane