Search gender: all male female Rataro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: rataro Katakana: ラタロウ 0 Kanji: 羅太郎 Meaning: 羅Net, a net for catching birds.They are arranged in a row like a net. Thin silk. 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 For Japanese Names > Rataro Boy Name Meaning, Kanji Variations.