Search gender: all male female マスバ Japanese Boy Names Variations. 1 names found. gender: all male female Name: masuba Katakana: マスバ 0 Kanji: 益馬 Meaning: 益Increase. Something that is beneficial to people and the world. Something that is useful. Profit. 馬Horse. A metaphor for something big. A metaphor for something lowly. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > マスバ Japanese Boy Names Variations.