Troyes 10000 - Champagne-Ardenne
- Capron
- Carbillet
- Carbonnelle
- Carbonnot
- Carcassin
- Cardon
- Caroff
- Caron
- Carougeat
- Caroujat
- Carrasco
- Carreau
- Carrut
- Carteret
- Carton
- Casari
- Caseiro
- Cassavia
- Cassis
- Castor
- Castro
- Catherine
- Catteau
- Ceder
- Cellier
- Cerone
- Cerpolini
- Cery
- Chabrier
- Chakour
- Chala-vicentini
- Chambrillon
- Chameroy
- Chaouachi
- Chaoui
- Chapellier
- Chaplain
- Chapot
- Chapput
- Chardin
- Chardinal
- Charlot
- Charonnat
- Chartier
- Charvaux
- Chassagne
- Chatenet
- Chaton
- Chavigny
- Chegdali
- Chemlal
- Chen
- Cherifi
- Cherronnet
- Chevallard
- Chevallot
- Chevrier
- Chiguer
- Chillet
- Chinon
- Choisy
- Chollier
- Chomez
- Chominot
- Chossemier
- Chouaref
- Christine
- Christmann
- Chung
- Cirillo
- Clarenn
- Clausse
- Clerget
- Clerici
- Clément
- Cmj
- Cochard
- Cochin
- Coco
- Coeffier
- Cognon
- Cola
- Colle
- Collombet
- Colombo
- Colomes
- Colot
- Coltel
- Conan
- Controle
- Coquet
- Cornevin
- Cornez
- Correia
- Cortes
- Costa
- Coste
- Cottray
- Cottret
- Couchot
