Save Gender Feminine Usage Japanese Scripts リオン(Japanese Katakana) りおん(Japanese Hiragana) 理苑, 理温, 理音, etc.(Japanese Kanji) Pronounced Pron. ṘEE-OHN [key] Other Forms FormsRinon Meaning & History From Japanese 理 (ri) meaning "reason, logic" combined with 苑 (on) meaning "pasture, park, garden", 温 (on) meaning "warm" or 音 (on) meaning "sound". Other kanji combinations are possible as well.