Merlynn \m(e)-rly-nn, mer-lynn\ as a boy's name is a variant of Merlin (Welsh), and the meaning of Merlynn is "sea fortress".

The baby name Merlynn sounds like Merlyn and Merlinn. Other similar baby names are Mervynn, Berlyn, Harlynn, Marlonn, Marlinn, Murvynn, Merwyn, Mervyn, Marwynn, Melwynn, Merlen, Merwinn and Verlyn.