Search gender: all male female Rintetsu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: rintetsu Katakana: リンテツ 0 Kanji: 凜鉄 Meaning: 凜dignified. Having a dignified attitude. Solemn. Crisp and tightly cold. 鉄Iron. Blades. Weapons. A metaphor for something extremely hard and strong. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Rintetsu Boy Name Meaning, Kanji Variations.