Dieppe 76200 - Haute-Normandie
- Cideme
- Cieux
- Cimen
- Ciraolo
- Cirone
- Cisse
- Citony
- Ciubotare
- Civil
- Clabau
- Claessens
- Claeyssen
- Clair
- Clais
- Claise
- Claveleau
- Clerc
- Cleret
- Clerge
- Clergeaud
- Clerisse
- Clermont
- Clevenot
- Cloquette
- Cloupeau
- Cloux
- Cluse
- Clydesdale
- Clément
- Cléré
- Cochelin
- Cocheril
- Cochon
- Cocquempot
- Cocu
- Cocula
- Coeffic
- Coeuret
- Coffin
- Cogno
- Cohen
- Cohu
- Coint
- Cojean
- Colard
- Cole
- Colignon
- Collasse
- Collay
- Colle
- Colleu
- Collinge
- Colliou
- Collon
- Collé
- Colmant
- Colmard
- Combeaudoux
- Come
- Comes
- Compaore
- Compere
- Compos
- Concialdi
- Condat
- Condotta
- Cone
- Confais
- Conseil
- Constans
- Conuau
- Cooper
- Coplo
- Coppin
- Coquant
- Coquen
- Coradi
- Corbel
- Corbi
- Cordonnier
- Corgnet
- Corinne
- Cornillet
- Cornillot
- Coroyer
- Corroy
- Cortier
- Cosson
- Costantin
- Costantini
- Cothouit
- Cotigny
- Coton
- Cotrait
- Cottard
- Couanard
- Coubrun
- Coudour
- Coudray
- Couillard