Kathlyne \k(a)-thly-ne, kath-lyne\ as a girl's name is a variant of Katherine (Greek), and the meaning of Kathlyne is "pure".

The baby name Kathlyne sounds like Kathline, Kathlene, Cathlyne, Kathlyn, Katlyne, Kathlynn and Kathylyne. Other similar baby names are Kathryne, Katelynn, Katelyn, Karolyne, Kathryn, Kathrine, Kathleyn, Katheline, Katharyne, Cathryne, Cathline, Cathlene, Karlyne, Kathlinne, Kathlin, Katelynne, Katlynne, Katlynn, Katlyn, Kateline, Katline, Kathrynn, Kathrene, Katheryne, Kathyline, Kathlena, Kathaline and Katilyn.