Strasbourg 67100 - Alsace
- 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
- Copin
- Coratekin
- Cordes
- Cordonnier
- Corentin
- Coret
- Corgiat
- Corikech
- Cormier
- Corneille
- Cornut
- Corradi
- Corre
- Correa
- Cortes
- Cortese
- Cosentino
- Cosgun
- Cotret
- Cottrell
- Couchaux
- Couchoud
- Coudert
- Coue
- Coupe
- Coupet
- Courmont
- Courroy
- Coursant
- Courtes
- Courtier
- Cousquer
- Coutant
- Coutaud
- Coutret
- Couty
- Couvert
- Cowderoy
- Coyan
- Coz
- Cramer
- Cremel
- Cremer
- Cremoux
- Crepieux
- Cresci
- Crespo
- Cretin
- Creusot
- Cristea
- Cristin
- Cron
- Crosnier
- Crouzet
- Crowe
- Crusot
- Ctorza
- Cuisance
- Cullard
- Cullen
- Cullmann
- Cultet
- Culture
- Cundasawmy