Đặng Thị Huệ (died 1784), was the favorite consort of Trịnh Sâm.

She is depicted by subsequent history as having used her influence, although in contrast a stele in Temple of Literature, Hanoi records the rector of the college refusing to pass her younger brother in Vietnam's Confucian exams.

His second son, Trịnh Cán, who was just 6 years old, succeeded the throne, the Royal Title is Điện Đô Vương, his mother is Consort Tuyên Đặng Thị Huệ became the one who control all the state affairs.

In October 1782, Dự Vũ, assistant of the coup leader Trịnh Khải, killed Hoàng Đình Bảo.

She is the subject of the 2010 historical novel Tuyên phi Đặng Thị Huệ by Văn Phú Ngô.