Search gender: all male female コウスケ Japanese Girl Names Variations. 1 names found. gender: all male female Name: kosuke Katakana: コウスケ 1 Kanji: 晃輔 Meaning: 晃Glowing. Bright. Clear. 輔To help. Give strength. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > コウスケ Japanese Girl Names Variations.