Caitlinn \ca(i)-tli-nn, cait-linn\ as a girl's name is a variant of Caitlin (Old French, Greek), Catherine (Greek) and Katherine (Greek), and the meaning of Caitlinn is "pure".

The baby name Caitlinn sounds like Kaitlinn, Caitlynn and Caitlann. Other similar baby names are Caitrinn, Cailin, Kaitlynn, Kaitlin, Kaitlann, Catlynn, Catline, Catlin, Catelinn, Caitrin, Caitlyne, Caitlyn, Caitlen, Caitland, Caitlan, Caitilin, Cailynn, Caetlin, Caoilinn, Kaitlinne, Catlina, Caitrine and Kaitrinn.