Search gender: all male female ネム Japanese Boy Names Variations. 1 names found. gender: all male female Name: nemu Katakana: ネム 4 Kanji: 音夢 Meaning: 音Sound. Tone. Voice. News. 夢Dream. Something you see as if it were real when you are asleep. Something you hope to achieve in the future. A pleasant thought that takes you away from reality. Something fleeting. Uncertainty. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ネム Japanese Boy Names Variations.