Search gender: all male female ライショウ Japanese Boy Names Variations. 1 names found. gender: all male female Name: raisho Katakana: ライショウ 1 Kanji: 雷翔 Meaning: 雷Thunder. Something that is known to the world. A weapon of great explosive power. 翔Fly. Spread your wings and fly. To fly high in the sky. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ライショウ Japanese Boy Names Variations.