Caitlen \ca(it)-len\ as a girl's name is a variant of Caitlin (Old French, Greek), and the meaning of Caitlen is "pure".

The baby name Caitlen sounds like Caitlyn and Caitlan. Other similar baby names are Cailen, Cailin, Cailyn, Caileen, Kaitlyn, Kaitlin, Kaitlan, Caylen, Catlyn, Catlin, Calen, Caitrin, Caitlynn, Caitlyne, Caitlinn, Caitlann, Caitland, Caitilin, Cailene, Caetlin, Callen, Carlen, Carllen, Catleen and Kaitleen.