Search gender: all male female Nishu Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: nishu Katakana: ニシュウ 2 Kanji: 二洲 Meaning: 二Two, The second. Kanji character for the number 2 (two).The next. Again. Another. Different. 洲Sandbar. A large island. Continent. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Nishu Name Meaning, Kanji Variations.