Reims 51100 - Champagne-Ardenne
- Casanova
- Castel
- Castillo
- Castin
- Cataldo
- Cattan
- Cattier
- Caudron
- Cautain
- Cavel
- Cecotti
- Cedric
- Celen
- Celeste
- Censier
- Cercelet
- Cesarion
- Cetinkaya
- Cez
- Chabeuf
- Chabod
- Chagaar
- Chaigne
- Chaigneau
- Chaingy
- Chaintreuil
- Chajari
- Chalet
- Challand
- Challut
- Chandara
- Chanier
- Chantal
- Chantereau
- Chaouch
- Chaput
- Charbaut
- Charpy
- Chassaing
- Chassepot
- Chauvière
- Chazal
- Chekkali
- Chenet
- Cheng
- Chenna
- Chenot
- Cherifi
- Chevallot
- Cheviet
- Chevin
- Chevreux
- Chicaut
- Chiroli
- Chluba
- Chochina
- Choffin
- Choisy
- Chopart
- Choque
- Choquet
- Chouarfia
- Cinar
- Cinquin
- Ciupa
- Cladel
- Clairet
- Clary
- Clausse
- Clavel
- Claverie
- Clerge
- Clogne
- Cloos
- Closquinet
- Cocco
- Coche
- Cochenet
- Cochez
- Cochois
- Coeuille
- Coeymans
- Cognigni
- Colasse
- Colcanap
- Colignon
- Colinet
- Collado
- Collinet
- Collorec
- Colmont
- Colot
- Colpart
- Combes
- Compagne
- Compere
- Copin
- Copp
- Coquot
- Corbier