Bayonne 64100 - Aquitaine
- Bruno
- Bryant
- Buckel
- Bude
- Bureau
- Burguet
- Burucoa
- Buteux
- Buttet
- Cabantous
- Caboche
- Cabos-duhamel
- Cacareigt
- Cacault
- Caignec
- Caillaba
- Caillabet
- Cailleba
- Calboga
- Caldas
- Caliot
- Calles
- Calmel
- Camberabero
- Camelin
- Campandegui
- Campion
- Campistron
- Canamero Valares
- Cano
- Canovas
- Cantin
- Cany
- Capilla
- Cappai
- Cappello
- Carballo
- Carlos
- Carneiro Ribeirinha
- Carole
- Caroline
- Carraro
- Carrera
- Carrey
- Carrion
- Caruso
- Casalta
- Casanave
- Cassaing
- Cassez
- Cassou
- Castaignede
- Casteran
- Catherine
- Cauchez
- Caugnon
- Caumont
- Caussade
- Cazalets
- Cazaunau
- Cazcarra
- Cazeaux
- Cazenave Dayraut
- Cebedio
- Cebral
- Celhay
- Cerdan
- Chabassier
- Chabbert
- Chabib
- Chabrol
- Chadourne
- Chagneau
- Chaldu
- Chamayou
- Chambin
- Chambon
- Chambres
- Chamouleau
- Champagne
- Champarnaud
- Champetier de Ribes
- Chapelain
- Chaperon
- Chaptal
- Charonnat
- Charron
- Charvier
- Chassin
- Chaubet
- Chaulet
- Chauveau
- Chauvin
- Chazette
- Chebaux
- Chetouane
- Chevallier
- Chinestra
- Chirade
- Chollet