Maryssa \m(a)-ryssa, mar(ys)-sa\ as a girl's name is a variant of Marissa (Latin), and the meaning of Maryssa is "of the sea".
The baby name Maryssa sounds like Marysia, Marysa, Maressa and Meryssa. Other similar baby names are Karyssa, Laryssa, Marlyssa and Naryssa.