Grenoble 38000 - Rhône-Alpes
- Clabault
- Claire
- Claisse
- Clapot
- Clappaz
- Clara
- Clarin
- Claudon
- Claustre
- Claveau
- Clavery
- Clavier
- Clement-cuzin
- Clergeau
- Clerget
- Cleyet Merle
- Cloitre
- Clutier
- Coadou
- Coco
- Coeur
- Cohen Addad
- Cohendet
- Coincon
- Coirier
- Coissard
- Coker Bangoura
- Colapietro
- Colette
- Colimba
- Collard
- Collavet
- Collinson
- Collomb Patton
- Collovati
- Colombel
- Colombini
- Colomby
- Colonel
- Combalot
- Combaluzier
- Combier
- Comboroure
- Come
- Comier
- Comment
- Commiot
- Communal
- Comparin
- Conan
- Consonni
- Constantin
- Contal
- Contard
- Coppa
- Coquard
- Coquelet
- Coquelle
- Corazza
- Corbedanne
- Cordebard
- Cordonnier
- Cormons
- Corolleur
- Corompt
- Corre
- Corront
- Corroyer
- Cortesi
- Cortez
- Corvaisier
- Cosentino
- Cosmides
- Costa Domingues
- Costanzo
- Cottarel
- Cottave
- Cotteverte
- Cotti-piccinelli
- Coudert
- Coudeyre
- Coudoux
- Coudreau
- Coudreuse
- Couffignal
- Couillard
- Coupez
- Courbariaux
- Courbiere
- Coureaut
- Coureno
- Couriaud
- Cournut
- Courrieu
- Courtan
- Courteau
- Courtieu
- Courtine
- Courvoisier
- Coutos-thevenot