Search gender: all male female 凛虹 Japanese Girl Names Variations. 1 names found. gender: all male female Name: riko Katakana: リコ 12 Kanji: 凛虹 Meaning: 凛dignified. Having a dignified attitude. Solemn. Crisp and tightly cold. 虹Rainbow. You can save your favorite names with NazukePON > About Japanese Names > Search Japanese Names By Kanji > 凛虹 Japanese Girl Names Variations.