Montargis 45200 - Centre
- Brevier
- Briat
- Brick
- Briclot
- Bricout
- Briet
- Brigault
- Brion
- Brisard
- Brispot
- Brissot
- Brochard
- Brohan
- Brouillard
- Broussaud
- Brulé
- Bruneau
- Brunel
- Brunelat
- Brunetaud
- Brunois
- Brunstein
- Brussaux
- Brusseau
- Bréand
- Buchet
- Buensa
- Buffet
- Buhr
- Bulko
- Bullier
- Bulut
- Burggraeve
- Buser
- Bussière
- Bussonnais
- Butertre
- Butet
- Béancourt
- Bélabbés
- Cabana
- Cabanie
- Cabaret
- Caboche
- Cabon
- Cacheux
- Cachon
- Cadet
- Cadic
- Cadiou
- Cadoret
- Cagnat
- Cakir
- Callebaut
- Callewaert
- Calley
- Camino
- Campana
- Campanaud
- Campelo
- Camus
- Candoni
- Canizares
- Capapey
- Capinha
- Capiod
- Capo-chichi
- Caqueux
- Carbonnier
- Cardot
- Carion
- Carnoy
- Carole
- Caron
- Caron-duplessy
- Carre
- Carrier
- Carriere
- Carron
- Carrouee
- Carry
- Cartier
- Cartilli Kockat
- Carvennec
- Cary
- Casares
- Casella
- Casenobe
- Cassagneau
- Casse
- Cassou
- Cassé
- Castilho
- Castro Videla
- Catel
- Caton
- Caussedier
- Cavailles
- Cavailles-bourges
- Cavigniaux