Karolyn \k(a)-rol-yn, kar(o)-lyn\ as a girl's name is a variant of Caroline (Old German), Carolyn (Old German) and Karolina (Slavic), and the meaning of Karolyn is "free man".

The baby name Karolyn sounds like Karlyn, Karolynn, Karolyne, Karolyna, Karolin, Karilyn, Karelyn and Karalyn. Other similar baby names are Darolyn and Harolyn.