Search gender: all male female Ruizu Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ruizu Katakana: ルイズ 1 Kanji: 瑠衣珠 Meaning: 瑠Lapis lazuli. 衣A garment. Something to wear. A jacket. Something to cover the outside. 珠Ball. A round ball that forms inside a shell. A small, round ball, like a pearl. A metaphor for something beautiful or magnificent. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ruizu Girl Name Meaning, Kanji Variations.