Search gender: all male female Madoko Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: madoko Katakana: マドコ 0 Kanji: 円子 Meaning: 円A round shape. No corners or chips. Smooth. A metaphor for something that is full. Japanese monetary currency. 子Children Name: madoko Katakana: マドコ 0 Kanji: 窓子 Meaning: 窓Window 子Children You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Madoko Name Meaning, Kanji Variations.