Search gender: all male female Mioki Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mioki Katakana: ミオキ 0 Kanji: 澪希 Meaning: 澪Waterway. A channel for small boats. A streak of water flow. Bubbles or streaks of water left behind after a ship has passed. 希Rare. To be few in number, precious. To desire. To seek. To wish for. Faint. Sparse. thin. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mioki Boy Name Meaning, Kanji Variations.