宣徳帝
Empress Zhang (; 1379 – 20 November 1442), formal name Empress Chengxiaozhao, was a Chinese Empress consort of the Ming Dynasty, married to the fourth Ming ruler, the Hongxi Emperor (Zhu Gaozhi 1378–1425). He only ruled for one year, so she then served as Empress Dowager after the accession of her son the Xuande Emperor. She later served as the Regent of China during the minority of the reign of her grandson, Emperor Yingzong of Ming, from 1435 until 1442.