Search gender: all male female Ruya Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ruya Katakana: ルヤ 0 Kanji: 瑠也 Meaning: 瑠Lapis lazuli. 也Affirmation. Words for exclamations, questions, and antonyms. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ruya Boy Name Meaning, Kanji Variations.