Search gender: all male female Momonao Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: momonao Katakana: モモナオ 0 Kanji: 百直 Meaning: 百Hundred. Kanji character for the number 100 (hundred). An example of a large number. A lot of things. 直Correct. Honest. Straight-hearted. fix. Direct. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Momonao Boy Name Meaning, Kanji Variations.