Karilyn \k(a)-ril-yn, kar(i)-lyn\ as a girl's name is a variant of Caroline (Old German), and the meaning of Karilyn is "free man".

The baby name Karilyn sounds like Karlyn, Karolyn, Karilynn, Karelyn, Karalyn, Carilyn and Kerilyn. Other similar baby names are Katilyn, Kailyn and Marilyn.