Search gender: all male female 凛渚 Japanese Girl Names Variations. 1 names found. gender: all male female Name: rio Katakana: リオ 12 Kanji: 凛渚 Meaning: 凛dignified. Having a dignified attitude. Solemn. Crisp and tightly cold. 渚Beach. A place where waves crash in the ocean or lake. A place where land meets water. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 凛渚 Japanese Girl Names Variations.