Auxerre 89000 - Bourgogne
- Casseus
- Castaignede
- Caster
- Cathelin
- Catillon
- Cavallo
- Cavaroz
- Cavrel
- Caye
- Cazanove
- Cazelle
- Ceccaroni
- Celiqua
- Chab
- Chafia
- Chahbouni
- Chahin
- Chaibi
- Chailley
- Chaillot
- Chambaud
- Chambault
- Chambault Alliaume
- Chambre
- Chameroy
- Chamillard
- Champeaux
- Chanambeau
- Chapotin Aemc
- Charbois
- Charles
- Charmet
- Charrue
- Chartier
- Chassier
- Chat
- Chateau
- Chateigner
- Chatelet
- Chatenet
- Chaton
- Chaudron
- Chausfoin
- Chauveau
- Chauvier
- Chauvot
- Chemma
- Chenevotot
- Chentir
- Chezeau
- Chichery
- Chiesa
- Chirol
- Chocat
- Chretien
- Christen
- Chteba
- Civeit
- Clain
- Claré
- Clere
- Clouseau
- Coffinet
- Cointe
- Coly
- Comas
- Contassot
- Conus
- Conversat
- Convert
- Coquard
- Corbin
- Corbisier
- Cordillot
- Cormerois
- Cornillon
- Cornuche
- Cortet
- Cote
- Cottenot
- Cottet
- Couchi
- Coulibaly
- Counil
- Courtin
- Cousinery
- Coutin
- Cravero
- Croenne
- Cros
- Cuissinat
- Culot
- Cuny
- Dachicourt
- Dahlem
- Daiz
- Damio
- Dampt
- Dancin
- Daouah