Troyes 10000 - Champagne-Ardenne
- Catteau
- Ceder
- Cellier
- Cerone
- Cerpolini
- Cery
- Chabrier
- Chala-vicentini
- Chambrillon
- Chameroy
- Chaouachi
- Chaoui
- Chapellier
- Chaplain
- Chapot
- Chapput
- Chardin
- Chardinal
- Charlot
- Charonnat
- Chartier
- Charvaux
- Chassagne
- Chatenet
- Chaton
- Chaudron
- Chavigny
- Chegdali
- Chen
- Chenet
- Cherdoudi
- Cherifi
- Cherronnet
- Chevallard
- Chevallot
- Chevrier
- Chiguer
- Chillet
- Choisy
- Chollier
- Chomez
- Chominot
- Chossemier
- Chouaref
- Christine
- Christmann
- Chung
- Cirillo
- Clarenn
- Clausse
- Clerget
- Clerici
- Clément
- Cmj
- Cochard
- Cochin
- Coco
- Coeffier
- Cognon
- Colle
- Collombet
- Colombo
- Colomes
- Coltel
- Conan
- Conat
- Controle
- Coquet
- Cornez
- Correia
- Cortes
- Costa
- Coste
- Cottray
- Cottret
- Couchot
- Couchy
- Couesnon
- Couillard
- Couillin
- Courdavault
- Courjan
- Courtailler
- Cousantien
- Coutant
- Couttier
- Couturon
- Couvreur
- Cozar
- Cramaille
- Crausaz
- Crelen
- Cretenet
- Creux
- Crossette
- Cruchant
- Cudel
- Cugnet
- Cukic
- Cvetko
