Search gender: all male female サナユキ Japanese Boy Names Variations. 1 names found. gender: all male female Name: sanayuki Katakana: サナユキ 0 Kanji: 真之 Meaning: 真True. Truth, not falsehood. Nature as it is. True form. Innate. 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 Japanese Names By Kanji > サナユキ Japanese Boy Names Variations.