Joslynn \j(o)-sly-nn, jos-lynn\ as a girl's name is a variant of Jocelyn (Old German), and the meaning of Joslynn is "a member of the German tribe, the Gauts".

The baby name Joslynn sounds like Jaslynn, Joslynne, Joslyne, Joslyn and Josalynn. Other similar baby names are Jolynn, Joelynn and Roslynn.