Grenoble 38000 - Rhône-Alpes
- Combaluzier
- Combier
- Comboroure
- Come
- Comier
- Comment
- Commiot
- Communal
- Comparin
- Conan
- Coniglio
- Consonni
- Constantin
- Contard
- Coppa
- Coquard
- Coquelet
- Coquelle
- Corazza
- Corbedanne
- Cordebard
- Cordonnier
- Cormons
- Corolleur
- Corompt
- Corre
- Corront
- Corroyer
- Cortesi
- Cortez
- Corvaisier
- Cosmides
- Costa Domingues
- Costanzo
- Cottarel
- Cottave
- Cotteverte
- Cotti-piccinelli
- Coudert
- Coudeyre
- Coudoux
- Coudreau
- Coudreuse
- Couffignal
- Couillard
- Coupez
- Courbariaux
- Courbiere
- Coureaut
- Coureno
- Couriaud
- Cournut
- Courtan
- Courteau
- Courtieu
- Courtine
- Courvoisier
- Coutinho
- Coutos-thevenot
- Couturier Petrasson
- Couvert
- Couvet
- Couvreur
- Covet
- Cozzani
- Cramer
- Crampon
- Creignou
- Creppy
- Cresci
- Crespo
- Cret
- Creux
- Crevola
- Croain
- Crocy
- Croibier
- Crooks
- Crosa
- Crozat
- Cru
- Cruciani
- Cruves
- Cubas
- Cubertafon
- Cuello
- Cuerq
- Cugno
- Cugny
- Culaud
- Culjak
- Cumin
- Cunha
- Cuny
- Curaba
- Curtelin
- Cutajar
- Cutivet
- Cuttaz
- Cuvelier