Karlin \k(a)-rlin, kar-lin\ as a boy's name (also used as girl's name Karlin), is a variant of Karl (Old German), and the meaning of Karlin is "free man".
The baby name Karlin sounds like Carlin, Garlin and Karlan. Other similar baby names are Katlin, Harlin, Kalin, Kaelin, Karli and Marlin.