Search gender: all male female Momoi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: momoi Katakana: モモイ 0 Kanji: 百維 Meaning: 百Hundred. Kanji character for the number 100 (hundred). An example of a large number. A lot of things. 維Maintain You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Momoi Boy Name Meaning, Kanji Variations.