Search gender: all male female Raiwa Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: raiwa Katakana: ライワ 0 Kanji: 来環 Meaning: 来Come. From now on. Until now. 環A ring. Form of a circle. A round ball. To go around. To surround. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Raiwa Boy Name Meaning, Kanji Variations.