Rosalynn \r(o)-saly-nn, ros(a)-lynn\ as a girl's name is a variant of Rosalind (Old German), Rosalyn and Rose (Latin), and the meaning of Rosalynn is "gentle horse; rose".

The baby name Rosalynn sounds like Rosalyne, Rozalynn, Roslynn, Rosalynd, Rosalinn and Roselynn. Other similar baby names are Josalynn, Joslynn, Josalyn, Rosaline, Rosalina, Rosaleen, Rozalynne, Roslynne, Roslyn, Roselyn, Roselinn, Rosalynda, Rosalin, Rosalen, Rozlynn, Rozalyne, Royalynne, Royalyn and Rozalyn.