Search gender: all male female Rihaya Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: rihaya Katakana: リハヤ 0 Kanji: 璃早 Meaning: 璃A character used for the gemstones "crystal" and "lapis lazuli". 早Quicker. The time or period is early. Dawn. Promptly. Immediately. Not taking much time. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Rihaya Girl Name Meaning, Kanji Variations.