Caj
Cajus
Calle
Calvin
Camillas
Camillo
Carit
Carl
Carlis
Carlo
Carlos
Carly
Carsten
Carter
Carton
Caspar
Casper
Cassius
Castello
Castor
Cato
Cay
Cecil
Cedric
Cedrik
Cem
Cendy
Cennet
Chano
Charles
Charley
Charli
Charlie
Charly
Chester
Chico
Chiko
Chres
Chresten
Chrestian
Chrilles
Chris
Christen
Christer
Christian
Christiern
Christof
Christoffer
Christoph
Christophe
Christopher
Ciano
Cilas
Cilius
Cim
Cimmi
Claes
Clarck
Clarence
Clark
Clas
Claude
Claudi
Claudio
Claudius
Claus
Clavs
Clemen
Clemens
Clement
Clemmen
Cliff
Clifford
Clint
Clive
Clyde
Colin
Columbus
Conrad
Constantin
Cordt
Corfits
Corfitz
Cornelis
Cornelius
Cort
Corty
Cosmus
Crilles
Cris
Crister
Cristian
Cristoffer
Cuno
Curd
Curt
Curtis
Cyril
Cyrill
Cæcilius
Cæsar