Charmain \ch(ar)-main\ as a girl's name is a variant of Carol (Old German), Charlotte (Old German) and Charmaine (English), and the meaning of Charmain is "free man; charm".

The baby name Charmain sounds like Sharmain and Charmin. Other similar baby names are Carman, Carmin, Carmaine, Charmion, Charmian, Charlaine, Sharman, Sharmaine, Charmyn, Charmyan, Charmine, Charmeen, Charmayne, Charmara, Charmar, Charmane, Charma, Charelin, Charalin and Charin.