Charlyn \ch(a)-rl-yn, char-lyn\ as a girl's name is a variant of Charla (Old German) and Charlene (Old German), and the meaning of Charlyn is "free man".

The baby name Charlyn sounds like Cherlyn, Charlyne, Charlynn, Charilyn, Charelyn, Charalyn and Sharlyn. Other similar baby names are Carlyn, Charly and Charmyn.