Search gender: all male female Raiemon Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: raiemon Katakana: ライエモン 0 Kanji: 雷衛門 Meaning: 雷Thunder. Something that is known to the world. A weapon of great explosive power. 衛Protect. Go around. 門Gate. A doorway. A clan. A place to receive teachings. A companion who shares a teacher. A major classification of things. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Raiemon Name Meaning, Kanji Variations.