Search gender: all male female ヤサスナ Japanese Boy Names Variations. 1 names found. gender: all male female Name: yasasuna Katakana: ヤサスナ 0 Kanji: 優砂 Meaning: 優Gentle. Soothing. Caring. Soothing. Relaxed. Elegant, beautiful. Superior to others. Excellent. Rich. Abundant. Generous. 砂Sand. A fine grained substance. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ヤサスナ Japanese Boy Names Variations.