Search gender: all male female Ruro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ruro Katakana: ルロウ 0 Kanji: 琉郎 Meaning: 琉Ruri(lapis lazuli). Name of a gemstone. A deep blue to indigo-colored gemstone. One of the seven treasures. 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 > Ruro Boy Name Meaning, Kanji Variations.