Search gender: all male female Yoino Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: yoino Katakana: ヨイノ 2 Kanji: 宵乃 Meaning: 宵Evening. Night. It was just after dark. 乃In other words. For that reason. So. A long time ago. In the past. You. A second-person pronoun for a person of equal or inferior status. The word for "no" is used in particles. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Yoino Girl Name Meaning, Kanji Variations.