Search gender: all male female Joka Girl Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: joka Katakana: ジョウカ 0 Kanji: 淨禾 Meaning: 淨Clean 禾Rice. A general term for grains. Name: joka Katakana: ジョカ 0 Kanji: 女華 Meaning: 女A woman. female. mature woman. Mistress. The value of womanhood itself. wife. 華Flower. Gorgeous. Beautiful. Eye-catching. Excellent and beautiful. White powder. Chinese self-designation. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Joka Girl Name Meaning, Kanji Variations.