Châteaudun 28200 - Centre
- 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
- Castilho
- Castillon
- Cattiaux
- Cauchois
- Caumon
- Caumont
- Cauqui
- Caux
- Cavart
- Cazalas
- Cazeau
- Cazenave
- Ceilk
- Ceretti
- Cerilo
- Cerny
- Cesaire
- Cetout
- Cetout Deglas
- Chabannes
- Chabas
- Chaboche
- Chaboune
- Chabrol
- Chadily
- Challe
- Chamard
- Chambeau
- Chanal
- Chanaoui
- Chanliau
- Chapart
- Chapenois
- Chapron
- Chapuzot
- Charbonnet
- Charbonnier
- Charlet
- Charloux
- Charpul
- Charrier
- Charton
- Chasles
- Chateaudun
- Chateauneuf
- Chatelain
- Chaurin
- Chauvel