Empress Dou Miao (died 172), formally Empress Huansi (literally, "the diligent and deep-thinking empress"), is an empress during Han Dynasty.
She is the third wife of Emperor Huan.
After his death in 168, she serves as regent for his successor Emperor Ling, assisted by her father Dou Wu and the Confucian scholar Chen Fan, but Dou and Chen have a major confrontation with powerful eunuchs later in 168 and are defeated and killed.
After that, she is under house arrest until her death.