Empress Dowager Xiaoding

Empress Dowager Xiaoding 孝定皇太后
Empress dowager of the Ming dynasty
Tenure	5 July 1572 – 1614
Predecessor	Empress Dowager Zhaosheng
Born	1545 Huo County, Zhili (present-day Tongzhou District, Beijing, China)
Died	18 March 1614(1614-03-18) (aged 68–69)
Burial	Zhaoling Mausoleum
Spouse	Longqing Emperor
Issue	Wanli Emperor Zhu Yiliu, Prince Jian of Lu Princess Shouyang Princess Yongning Princess Rui'an
Posthumous name Empress Dowager Xiaoding Zhenchun Qinren Duansu Bitian Zuosheng (孝定貞純欽仁端肅弼天祚聖皇太后)
Clan	Li (李)
Father	Li Wei, Marquis of Wuqing (武清侯 李偉)
Mother	Lady Wang (王氏)

Empress Dowager Xiaoding (1545 – 18 March 1614), of the Li clan, was the mother of the Wanli Emperor. She was the nominal Regent of China during the minority of her son from 1572 to 1582. She became known in history under her posthumous name, Xiaoding.