Search gender: all male female Nanasuke Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: nanasuke Katakana: ナナスケ 0 Kanji: 七助 Meaning: 七Seven. Seventh. Kanji character for the number 7 (seven). Many times. 助Help. To lend help. To get out of a dangerous situation. To save. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Nanasuke Boy Name Meaning, Kanji Variations.