Search gender: all male female ニゴ Japanese Boy Names Variations. 1 names found. gender: all male female Name: nigo Katakana: ニゴ 0 Kanji: 二期 Meaning: 二Two, The second. Kanji character for the number 2 (two).The next. Again. Another. Different. 期Period You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ニゴ Japanese Boy Names Variations.