Jacolyn \j(a)-col-yn, jac(o)-lyn\ as a girl's name is a variant of Jacqueline (French). See for meaning of Jacolyn.

The baby name Jacolyn sounds like Jaclyn, Jacklyn, Jacqlyn and Jacalyn. Other similar baby names are Jacelyn, Jalyn, Jaklyn, Jaclynn, Jacklynn, Jacobyna, Jaclin, Jacklin, Jackelyn, Jacalynn, Jacalin, Jaelyn, Jamilyn, Janalyn, Jaslyn, Jazzlyn, Jazlyn, Jolyn, Jocelyn, Joclyn and Jasolin.