Search gender: all male female Yunatsu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: yunatsu Katakana: ユナツ 0 Kanji: 裕夏 Meaning: 裕Abundance. To have plenty of room. To be relaxed and calm. Open-mindedness. 夏Summer. It is one of the four seasons. Big. Prosperous. The name of a dynasty or country in China. China's own name. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Yunatsu Boy Name Meaning, Kanji Variations.