Search gender: all male female Nanau Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: nanau Katakana: ナナウ 0 Kanji: 七優 Meaning: 七Seven. Seventh. Kanji character for the number 7 (seven). Many times. 優Gentle. Soothing. Caring. Soothing. Relaxed. Elegant, beautiful. Superior to others. Excellent. Rich. Abundant. Generous. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Nanau Name Meaning, Kanji Variations.