Zhu Gaoxu (; 30 December 1380 – 6 October 1426), the Prince of Gaoyang (高陽王, created 1395), later the Prince of Han (漢王, created 1404), was the second son of the Yongle Emperor and Empress Renxiaowen. Zhu Gaoxu fought with his elder brother Zhu Gaochi (the future Hongxi Emperor) for the throne.
