Search gender: all male female ノウタロウ Japanese Boy Names Variations. 1 names found. gender: all male female Name: notaro Katakana: ノウタロウ 0 Kanji: 能太郎 Meaning: 能I can do it well. The ability to do well. The ability to get things done. 太Abundantly large. Large in circumference. Thick. Flabby. Very. A word used to refer to a person of high rank or status. 郎Male. Men. Young men. A word that refers broadly to boys. A retainer. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ノウタロウ Japanese Boy Names Variations.