Search gender: all male female Tetsunojo Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tetsunojo Katakana: テツノジョウ 0 Kanji: 鉄之丞 Meaning: 鉄Iron. Blades. Weapons. A metaphor for something extremely hard and strong. 之Go. A word that refers to a person, thing, or thing. A word denoting a subject or modification. 丞Help. To assist. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tetsunojo Boy Name Meaning, Kanji Variations.