Murvynn \m(u)-rvy-nn, mur-vynn\ as a boy's name is a variant of Marvin (Welsh), and the meaning of Murvynn is "sea friend".

The baby name Murvynn sounds like Murvyn and Mervynn. Other similar baby names are Murvin, Mervyn, Marwynn, Marvyn, Malvynn, Merlynn and Morvyn.