From Japanese 琉 (ru) meaning "gem", 瑠 (ru) meaning "lapis lazuli", or 松 (ru) meaning "pine" combined with 乃 (no) meaning "from, is, your" or 野 (no) meaning "field". Other kanji or kanji combinations can form this name as well. A fictional bearer of this name is Runo Misaki (美咲 琉乃) from Bakugan Battle Brawlers.