Charly \ch(ar)-ly\ as a girl's name (also used as boy's name Charly), is a variant of Charla (Old German), Charlie (Old German) and Charlotte (Old German), and the meaning of Charly is "free man".
The baby name Charly sounds like Charli, Charley, Charle and Sharly. Other similar baby names are Carly, Charty and Charlyn.