Rouen 76000 - Haute-Normandie
- Chéron
- Ciroux
- Claeyssens
- Claire
- Claisse
- Clara
- Claudette
- Cledat
- Clermont
- Cleron
- Cloppet
- Coat
- Cocaign
- Coco
- Coelho de Sousa
- Cogis
- Coguyec
- Cohidon
- Coiffier
- Coignet
- Colange
- Colard
- Coleou
- Collas
- Colleter
- Colley
- Colombier
- Combo Matsiona
- Communaute
- Comoz
- Compain
- Compere
- Condemine
- Constantin
- Contat
- Conti Papuzza
- Convert
- Coplo
- Coquais
- Coquelet
- Coquelle
- Coquisart
- Corblin
- Cordeiro
- Cormier
- Cornette
- Corneville
- Cornillot
- Corniquet
- Cornot
- Coron
- Corpet
- Corre
- Corsi
- Cortat
- Costil
- Cotard
- Cotelle
- Cottin
- Coudert
- Couilleaux
- Coupe
- Courage
- Courbet
- Courby
- Courel
- Couroyer
- Courtet
- Courthéoux
- Coutard
- Coutier
- Covacho Bove
- Cratere
- Cremades
- Cremer
- Crepy
- Crestey
- Cretu
- Crevet
- Crevier Seguinet
- Crevon
- Croisier
- Croize
- Cros
- Croutelle
- Croville
- Cubaud
- Cuissart
- Culerrier
- Cullet
- Cupit
- Cuvelier
- Cuvier
- Cuvinot
- Cyprien
- Da Costa Olivieira
- Da Cruz
- Da Cunha
- Dacheux
- Daclinat