Search gender: all male female ニジヒコ Japanese Names Variations. 2 names found. gender: all male female Name: nijihiko Katakana: ニジヒコ 1 Kanji: 虹彦 Meaning: 虹Rainbow. 彦A young man of superior talent and virtue. A beautiful man. A splendid man. A beautiful name for a man. Name: nijihiko Katakana: ニジヒコ 0 Kanji: 虹比古 Meaning: 虹Rainbow. 比Ratio 古Old You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ニジヒコ Japanese Names Variations.