Search gender: all male female Gontaro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: gontaro Katakana: ゴンタロウ 0 Kanji: 権太楼 Meaning: 権Authority 太Abundantly large. Large in circumference. Thick. Flabby. Very. A word used to refer to a person of high rank or status. 楼Tower You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Gontaro Boy Name Meaning, Kanji Variations.