Kaylen \ka(y)-len\ as a girl's name is a variant of Kaylin (American). See for meaning of Kaylen.
The baby name Kaylen sounds like Caylen, Gaylen, Kaylyn, Kaylene, Kayleen, Kaylan, Kalen and Kylen. Other similar baby names are Karlen, Kayley, Kaylee, Kayle, Kaylei and Kaylea.