Search gender: all male female コイ Japanese Boy Names Variations. 1 names found. gender: all male female Name: koi Katakana: コイ 0 Kanji: 恋 Meaning: 恋Love. The feeling of being strongly attracted to a particular person and wanting to meet or possess him/her. A feeling of longing for an object that is not right in front of you. Longing for. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > コイ Japanese Boy Names Variations.