Search gender: all male female Naotsumi Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: naotsumi Katakana: ナオツミ 0 Kanji: 直積 Meaning: 直Correct. Honest. Straight-hearted. fix. Direct. 積Pile up You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Naotsumi Name Meaning, Kanji Variations.