Search gender: all male female Tetsuna Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tetsuna Katakana: テツナ 0 Kanji: 哲成 Meaning: 哲Wise. Smart. Excellent in wisdom. Talented. Excellent in insight. Clear to reason. 成To finish. Grow. To raise up. Accomplish. To be fruitful. to change into Good. splendid. large. well-organized. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tetsuna Boy Name Meaning, Kanji Variations.