Joycelynn \jo(y)-cely-nn, joyce-lynn\ as a girl's name is a variant of Joyce (Latin), and the meaning of Joycelynn is "lord".
The baby name Joycelynn sounds like Joycelyn and Jocelynn. Other similar baby names are Jocelyn, Joycelin, Joscelyn, Jocelynne, Jocelyne and Joelynn.