Kathrynn \k(a)-thry-nn, kath-rynn\ as a girl's name is a variant of Katherine (Greek), and the meaning of Kathrynn is "pure".

The baby name Kathrynn sounds like Kathryne, Kathryn, Katherynn, Cathrynn and Kathirynn. Other similar baby names are Kathlynn, Kamrynn, Katryna, Kathrinna, Kathrine, Kathiryn, Katheryn, Katharyne, Katharyn, Karynn, Cathryne, Cathryn, Cathrinn, Kathlyn, Kathrina, Kathrene, Kathlyne and Katheryne.