Search gender: all male female Onkei Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: onkei Katakana: オンケイ 0 Kanji: 恩慧 Meaning: 恩Debt of gratitude 慧Wisdom. The ability of the mind to see into the mind. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Onkei Boy Name Meaning, Kanji Variations.