Search gender: all male female Ontetsu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ontetsu Katakana: オンテツ 0 Kanji: 温哲 Meaning: 温Warmth. Temperature. Soothing. Gentle. To cherish. 哲Wise. Smart. Excellent in wisdom. Talented. Excellent in insight. Clear to reason. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ontetsu Boy Name Meaning, Kanji Variations.