Strasbourg 67100 - Alsace
- Circir
- Cirganis
- Civak
- Clady
- Claerr
- Clapot
- Claudin
- Claudine
- Clavert
- Clavon
- Clemot
- Clodong
- Clor
- Closset
- Clouet
- Cobanov
- Coci
- Coelho
- Cogneaux
- Cognot
- Cohadon
- Cohendet
- Coiffier
- Coinus
- Coiutto
- Cokuckun
- Colacresi
- Colanic
- Colbus
- Coldold
- Coleman
- Coll
- Colom
- Colomb
- Colombo
- Colon
- Coman
- Combal
- Combes
- Combet
- Combot
- Condemi
- Conein
- Congré
- Conrard
- Conraux
- Conreaux
- Consigny
- Constant
- Constantinesco
- Constantino
- Contat
- Conteh
- Contu
- Copetti
- Coratekin
- Cordes
- Cordonnier
- Corentin
- Coret
- Corgiat
- Corikech
- Cormier
- Corneille
- Cornut
- Corradi
- Corre
- Correa
- Cortes
- Cortese
- Cosar
- Cosentino
- Cotret
- Cottrell
- Couchaux
- Couchoud
- Coudert
- Coue
- Coupe
- Coupet
- Courmont
- Coursant
- Coursimault
- Courtes
- Courtier
- Cousquer
- Coutant
- Coutaud
- Coutret
- Couty
- Couvert
- Cowderoy
- Coyan
- Coz
- Cramer
- Cremel
- Cremer
- Cremoux
- Crepieux
- Cresci