Search gender: all male female Riuku Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: riuku Katakana: リウク 0 Kanji: 理浮空 Meaning: 理The way of things. The path or reason of things. Pattern. To set in order. Natural science. 浮Float 空Sky. Atmosphere. Heaven. Big. Wide. Empty. No substance. Meaningless. Useless. In Buddhism, something without substance or essence. A thing related to aviation. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Riuku Name Meaning, Kanji Variations.