Marseille - Provence-Alpes-Côte d'Azur
- Cioffi
- Ciosi
- Ciot
- Ciotola
- Ciotti
- Cipoletta
- Cipres
- Cireddu
- Cirera
- Cirilli
- Cirinesi
- Cirinna
- Cirino
- Cisneros
- Ciss
- Cissokho
- Ciurar
- Civallero
- Civel
- Civello
- Civera
- Civita
- Cizeron
- Clade
- Clain
- Clairfond
- Clamecy
- Clamon
- Clance
- Clanet
- Clapes
- Clara Caetano
- Clares
- Clark
- Clarke
- Clarte
- Clasen
- Claudepierre
- Claudet
- Claudette
- Claudine
- Claus-desbonnet
- Clausen
- Clauws
- Clauzon
- Clavaret
- Clavaud
- Clavere
- Clech
- Clemence
- Clemenceau
- Cleon
- Clerge
- Clergeau
- Clerget
- Clerin
- Cleronomides
- Cleuet
- Cleyet-marel
- Climent
- Clio
- Clipet
- Cliquet
- Clochard
- Cloe
- Cloitre
- Cloix
- Cloridor
- Closier
- Cloteaux
- Clou
- Cloute
- Clovis
- Cnudde
- Coadalen
- Coat
- Cocci
- Cocco
- Coche
- Cochefert
- Cochelin
- Cocordan
- Cocordano
- Codani
- Codde
- Coderey
- Codino
- Codou
- Codur
- Coelho Correia
- Coen
- Coetto
- Coeugnet
- Coffano
- Coffinier
- Coffy
- Cognata
- Cogne
- Cogoni
- Cohen Bacry