Bidart 64210 - Aquitaine
- Bronchain
- Brossard
- Brouquet
- Brouty
- Broyot
- Brua
- Brugere
- Brun
- Bruneaux
- Buard
- Buchillou
- Buffalan
- Bulcke
- Bulin
- Bulot
- Buratti
- Buraud
- Burou
- Busch
- Businello
- Busquet
- Byloff
- Bélascain
- Caamano
- Caballero
- Cabrera
- Cacaud
- Cadeau Laffaire
- Cadelo
- Cadene
- Cadenel
- Cadet
- Cady
- Caillier
- Cailloux
- Cal
- Caldeira
- Calletti
- Camberlin
- Camelo
- Cami
- Camihort
- Camou
- Campagne
- Campandegui
- Campos
- Camposet
- Candelon
- Cann
- Cantelaube
- Cantero
- Cany
- Capiton
- Cardinaud
- Cardot
- Carles
- Carlot
- Caroline
- Carossio
- Carrasset
- Carraze
- Carre
- Carrere
- Carrere-queyroi
- Carriquiry
- Carruesco
- Carrére
- Casamayor Mongay
- Casamayou-boucau
- Cassagne
- Cassanet
- Cassez
- Castan
- Castetbon
- Castro
- Catelan
- Cathary
- Catherine
- Cattan
- Catteau
- Cayeux
- Cazalis
- Cazaous
- Cazauran
- Cazeaux
- Cazenave-lacrouts
- Cazes
- Cazottes
- Cebrant
- Cecchetti
- Cecile
- Cedarry
- Celaya
- Celhay
- Cenci
- Cerbino
- Cerdeira Araujo Aires
- Cerlo
- Ceroni
- Cervera-marzal