Search gender: all male female Riso Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: riso Katakana: リソウ 2 Kanji: 理想 Meaning: 理The way of things. The path or reason of things. Pattern. To set in order. Natural science. 想I think. To have a certain feeling or awareness about a thing. To guess. To evaluate. To judge. To determine. The way two things happen in succession. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Riso Boy Name Meaning, Kanji Variations.