Troyes 10000 - Champagne-Ardenne
- Chambellant
- Chambrillon
- Chameroy
- Champonnois
- Chaouche
- Chaoui
- Chapot
- Chapput
- Chapuis
- Chardin
- Charlier
- Charonnat
- Charvaux
- Chassagne
- Chatenet
- Chaton
- Chauvier
- Chavarot
- Chavigny
- Chefiare
- Chegdali
- Chen
- Cheneau
- Cherain
- Cherifi
- Chesnin
- Chevallot
- Chevrier
- Chicco
- Chillet
- Chinon
- Choisy
- Chollet
- Chollier
- Chomez
- Chominot
- Chossemier
- Chougny
- Christine
- Christmann
- Chung
- Cian
- Cirillo
- Clarenn
- Clausse
- Clauteaux
- Clerget
- Clerici
- Clevy
- Cliquot
- Clorate
- Cocard
- Cochard
- Cochin
- Coco
- Cola
- Colbois
- Collavini
- Colle
- Collombet
- Colombo
- Colot
- Compagno
- Comte
- Conan
- Conat
- Connegan
- Connégan
- Controle
- Copain
- Coquet
- Coradin
- Cornevin
- Cornez
- Corre
- Correia
- Cortes
- Corzelius
- Cosme
- Costa
- Cothenet
- Cottereau
- Cottray
- Cottret
- Couchy
- Couderc
- Couesnon
- Couillard
- Courdavault
- Courjan
- Courtailler
- Couttier
- Couvreur
- Couzon
- Covindin
- Cozar
- Cramaille
- Crausaz
- Crelen
- Creux