Search gender: all male female サナツキ Japanese Names Variations. 1 names found. gender: all male female Name: sanatsuki Katakana: サナツキ 0 Kanji: 真月 Meaning: 真True. Truth, not falsehood. Nature as it is. True form. Innate. 月Moon. A satellite of the Earth. One of the celestial bodies visible in the sky. One month. A Monday. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > サナツキ Japanese Names Variations.