Search gender: all male female Watana Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: watana Katakana: ワタナ 0 Kanji: 綿菜 Meaning: 綿Cotton. A long strand. Fine. Small. 菜Vegetable. A general term for vegetables whose leaves, stems, roots, and other parts are eaten. Side dish. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Watana Girl Name Meaning, Kanji Variations.