Mareina \m(a)-rei-na\ as a girl's name is a variant of Marina (Latin), and the meaning of Mareina is "from the sea".

The baby name Mareina sounds like Marena and Mareena. Other similar baby names are Kareina, Lareina, Marcina, Mareisa, Marlina, Marleina, Marnina, Martina, Marteina and Marvina.