Search gender: all male female Rai Name Meaning, Kanji Variations. 41 names found. gender: all male female Name: rai Katakana: ライ 0 Kanji: 來 Meaning: 來Come. From now on. Until now. You can save your favorite names with prev123 NAZUKE PON > About Japanese Names > Search For Japanese Names > Rai Name Meaning, Kanji Variations.