Search gender: all male female Mizui Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mizui Katakana: ミズイ 0 Kanji: 瑞衣 Meaning: 瑞Good omen. Congratulations. Auspicious. Freshness. 衣A garment. Something to wear. A jacket. Something to cover the outside. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mizui Girl Name Meaning, Kanji Variations.