Search gender: all male female ワツキ Japanese Girl Names Variations. 1 names found. gender: all male female Name: watsuki Katakana: ワツキ 0 Kanji: 琶月 Meaning: 琶Biwa (Japanese lute) 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 > ワツキ Japanese Girl Names Variations.