Troyes 10000 - Champagne-Ardenne
- Caillieux
- Cain
- Calabrese
- Calmeau
- Cameau
- Canaud
- Canivet
- Canot
- Capestan
- Cappe
- Carbillet
- Carbonnelle
- Carbonnot
- Carcassin
- Cardon
- Caroff
- Caron
- Carougeat
- Caroujat
- Carrasco
- Carreau
- Carrut
- Carton
- Casari
- Caseiro
- Cassavia
- Cassis
- Castor
- Castro
- Catherine
- Catteau
- Caty
- 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
- Chegdali
- Chen
- Chenet
- Cherdoudi
- Cherifi
- Cherronnet
- Chevallot
- Chevrier
- Chiguer
- Chillet
- Chinon
- Choisy
- Chollier
- Chomez
- Chossemier
- Christine
- Christmann
- Chung
- Cirillo
- Clarenn
- Clauset
- Clausse
- Clerget
- Clerici
- Clément
- Cmj
- Cochard
- Cochin
- Coco
- Coeffier
- Cognon
- Colbois
- Colle
- Collombet
- Colomes
- Coltel
- Conan
- Conat
- Controle
- Coquet
- Cordonnier
- Coronil
- Correia
