Katlyn \k(a)-tl-yn, kat-lyn\ as a girl's name is a variant of Katelyn (English). See for meaning of Katlyn.

The baby name Katlyn sounds like Kaitlyn, Catlyn, Kathlyn, Kitlyn, Katlynn, Katlin, Katlyne and Katilyn. Other similar baby names are Karlyn, Kamlyn, Kaylyn, Kalyn, Kailyn and Kaelyn.