Search gender: all male female Ryusa Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ryusa Katakana: リュウサ 0 Kanji: 琉咲 Meaning: 琉Ruri(lapis lazuli). Name of a gemstone. A deep blue to indigo-colored gemstone. One of the seven treasures. 咲Blooming. Flower buds open. It smiles. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ryusa Girl Name Meaning, Kanji Variations.