Search gender: all male female キヤ Japanese Boy Names Variations. 1 names found. gender: all male female Name: kiya Katakana: キヤ 0 Kanji: 輝夜 Meaning: 輝Shining. Glittering. Brilliant. Splendid. 夜Night. The time between sunset and sunrise. The dark period when the sun is setting. A metaphor for something quiet and serene. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > キヤ Japanese Boy Names Variations.