Châteaudun 28200 - Centre
- Bouhier
- Bouhraoua
- Boujatre
- Boukhari El Grini
- Boulahouajeb
- Boulanger
- Boulard
- Boulet
- Bouloudani
- Boumaaza
- Boumbe
- Bounoua
- Bounouadar
- Bourcier
- Bourdain
- Bourdeau
- Bourdelas
- Bourdet
- Bourdillon
- Bourdin
- Bourdoiseau
- Bourdonnais
- Bourgault
- Bourhis Tondu
- Bouriette
- Bournoville
- Bouroubi
- Boursier
- Bousmaille
- Bousseton
- Boussif
- Boutet
- Boutillier
- Bouttier
- Bouvier
- Brachet
- Bracicorto
- Brault
- Breda Ribeiro Gaya
- Bren
- Bresteau
- Bretel
- Breton
- Bricard
- Brichard
- Bricoteau
- Briere
- Brillant
- Brisset
- Brizot
- Brière
- Brochard
- Brossard
- Brouillet
- Broussal
- Broyard
- Bruere
- Brun
- Brunelle
- Bruyere
- Bucci
- Buche
- Bullock
- Buquet
- Buring
- Burnet Merlin
- Bussis
- Bussy
- Buta
- Buttet
- Butté
- Bwandi
- Béré
- Bûcher
- Cabrera
- Cabriolle
- Caget
- Cagnard
- Caillard
- Cailleaux
- Calmon
- Cambrone
- Candela
- Caniaux
- Cannesson
- Cantero
- Carat
- Cardona
- Cario
- Caro
- Carreau
- Carreira Dinis
- Carré
- Caruel
- Casdard
- Casier
- Cassegrain
- Castel
- Castelli
- Castets