Search gender: all male female Sumiki Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sumiki Katakana: スミキ 0 Kanji: 澄希 Meaning: 澄Clear. Water and sounds are clear and beautiful. The sky is not dull. 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 > Sumiki Girl Name Meaning, Kanji Variations.