Saint-Martin-des-Champs 29600 - Bretagne
- Caron
- Carre
- Carriou
- Carris Raval
- Casali
- Casalini
- Cassou
- Castel
- Cattoni
- Cavaco
- Cavallier
- Cazoulat
- Cazuc
- Cevaer
- Chaabane
- Chadwick
- Champagne
- Chandon
- Chantrel
- Chapelle
- Chapiseau
- Charbonnier
- Chareyre
- Chatelain
- Chatellard
- Chatellier
- Chevalier
- Chevrier
- Ching
- Chopin
- Christin
- Cillart
- Ciungan
- Clausier
- Clec'h
- Clech Sagnier
- Cleray
- Clergeot
- Cocher
- Cochou
- Coeff
- Colin-legoff
- Collado
- Collobert
- Conchon
- Congar
- Connan
- Conseil
- Conte
- Coquil
- Corai
- Corbique
- Corboliou
- Cordier
- Cornec
- Cornily
- Cornu
- Corroller
- Corvez
- Cosnard Jezequel
- Costantini
- Costiou
- Coton
- Cottin
- Couloigner
- Courjaud
- Courses Pédestres
- Courteaux
- Couvreux
- Crago
- Cras
- Crassin
- Creac'h
- Creach
- Crec'hdu
- Creff
- Croguennec
- Cuillandre
- Cullet
- Curt
- Czapla
- Damioli
- Dangui
- Daré
- Davtian
- Davy
- de Bergevin Benedi
- de Kerever
- Decerle
- Decock
- Dejean
- Delorme
- Delriviere
- Demangeon
- Demir
- Deniau
- Deniel
- Denmat
- Derome
- Descourt