Search gender: all male female ユナオ Japanese Girl Names Variations. 1 names found. gender: all male female Name: yunao Katakana: ユナオ 0 Kanji: 由奈緒 Meaning: 由Source. Origin. to be based on. Reason. 奈Red apple. The name of a fruit tree called "kara-nashi. A word expressing a question or antonym. 緒The beginning of things. Connection. A thought caused by a thing. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ユナオ Japanese Girl Names Variations.