Search gender: all male female Tetsuyaro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tetsuyaro Katakana: テツヤロウ 0 Kanji: 鉄也郎 Meaning: 鉄Iron. Blades. Weapons. A metaphor for something extremely hard and strong. 也Affirmation. Words for exclamations, questions, and antonyms. 郎Male. Men. Young men. A word that refers broadly to boys. A retainer. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tetsuyaro Boy Name Meaning, Kanji Variations.