Search gender: all male female アマナツ Japanese Names Variations. 1 names found. gender: all male female Name: amanatsu Katakana: アマナツ 0 Kanji: 甘夏 Meaning: 甘Sweet 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 Japanese Names By Kanji > アマナツ Japanese Names Variations.