Search gender: all male female Onku Boy Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: onku Katakana: オンク 0 Kanji: 温孔 Meaning: 温Warmth. Temperature. Soothing. Gentle. To cherish. 孔Hole Name: onku Katakana: オンク 0 Kanji: 温久 Meaning: 温Warmth. Temperature. Soothing. Gentle. To cherish. 久For a long time. From long ago. From the past. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Onku Boy Name Meaning, Kanji Variations.