Search gender: all male female コウシ Japanese Boy Names Variations. 201 names found. gender: all male female Name: koshi Katakana: コウシ 0 Kanji: 皓志 Meaning: 皓White. Shining white. Glowing. Clear. clean. 志Aspiration. To aim to be. Where the mind aims. Compassion. Sign. To remember. To record. A gift for thanks or appreciation. You can save your favorite names with prev1…7891011 NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > コウシ Japanese Boy Names Variations.