Search gender: all male female Yuiyuki Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: yuiyuki Katakana: ユイユキ 0 Kanji: 唯之 Meaning: 唯That's it. Just one. Only. A word expressing limitation or emphasis. Reply. A reply of acceptance that is answered immediately. 之Go. A word that refers to a person, thing, or thing. A word denoting a subject or modification. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Yuiyuki Boy Name Meaning, Kanji Variations.