Search gender: all male female ライサブロウ Japanese Boy Names Variations. 1 names found. gender: all male female Name: raisaburo Katakana: ライサブロウ 0 Kanji: 雷三郎 Meaning: 雷Thunder. Something that is known to the world. A weapon of great explosive power. 三Three. The third. Kanji to represent the number 3 (three).Again. Again and again. Many times. 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 > ライサブロウ Japanese Boy Names Variations.