Marseille - Provence-Alpes-Côte d'Azur
- Cipres
- Cireddu
- Cirene
- Cirera
- Cirilli
- Cirinna
- Cirino
- Cirpaciu
- Cisilotto
- Cisneros
- Ciss
- Cissokho
- Cisterni
- Citerne
- Ciurar
- Cival
- Civallero
- Civel
- Civello
- Civera
- Civita
- Cizeron
- Clabaut
- Clade
- Claessen
- Clain
- Clairfond
- Clamon
- Clanet
- Clara Caetano
- Clares
- Clark
- Clarke
- Clarte
- Clasen
- Clasquin
- Claudepierre
- Claudet
- Claudette
- Claudine
- Claus-desbonnet
- Clausen
- Clauws
- Clauzon
- Clavaret
- Clavaud
- Clavere
- Clemence
- Clemenceau
- Cleon
- Clerge
- Clerget
- Clerin
- Cleronomides
- Cleuet
- Cleyet-marel
- Climent
- Clio
- Clipet
- Cliquet
- Cloe
- Cloitre
- Cloix
- Cloridor
- Closier
- Cloteaux
- Clou
- Cnudde
- Coadalen
- Cocci
- Cocco
- Cochelin
- Cocordan
- Cocordano
- Codani
- Codde
- Codino
- Codou
- Codur
- Coeffe
- Coelho Correia
- Coen
- Coetto
- Coffano
- Coffin
- Coffinier
- Coffy
- Cogne
- Cogno
- Cogoni
- Cogordan
- Cohadon
- Cohen Bacry
- Cohen Tannoudji
- Cohen Zardi
- Cohen-addad
- Cohen-bacri
- Coia
- Coiffeur
- Coiffic