Search gender: all male female Hishiko Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: hishiko Katakana: ヒシコ 0 Kanji: 菱子 Meaning: 菱A type of water plant. 子Children You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Hishiko Girl Name Meaning, Kanji Variations.