Paris - Île-de-France
- Co Invest
- Cochennec
- Coen
- Cohen-boulakia
- Colard
- Colliard
- Combettes
- Combot
- Comelli
- Comes
- Commault
- Common
- Compte
- Condé
- Conroy
- Constantinescu
- Contat
- Contini
- Cook
- Coppey
- Coppolani
- Coquelle
- Corby
- Corman
- Cornejo
- Corniere
- Cornudet
- Coroller
- Corpuz
- Correard
- Corrot
- Corthier
- Cossard
- Couaillier
- Coucaud
- Couchy
- Courivaud
- Cournot
- Courson
- Courteault
- Courtinat
- Courtine
- Cousquer
- Coutinho
- Couvin
- Covo
- Craquelin
- Crespeau
- Cressent
- Crestani
- Crete
- Cretinoir
- Cristea
- Croce
- Cromback
- Croze
- Cruciani
- Cuadrado
- Cuevas
- Curie
- Curtil
- Curutchet
- Cusson
- Cussonneau
- Cuvellier
- d'ambrosio
- d'herouville
- Da Graca
- Da Silva Pereira
- Dagneaux
- Daho
- Dahou
- Dallier
- Damoiseau
- Damotte
- Danfa
- Danielou
- Daouda
- Dardour
- Daridan
- Darley
- Darnet
- Darrasse
- Dartiguenave
- Dartigues
- Daru
- Daube
- Dauchy
- Daudon
- Daum
- Daumard
- Dauriac
- Davenne
- Davidovici
- de Angelis
- de Beco
- de Buhren
- de Buttet
- de Calan
- de Castries
