Manuela Díez Jiménez (June 26, 1786 – December 31, 1858) was a key female figure in the forming of the independence of the Dominican Republic.

She greatly supported the rise of the secret society La Trinitaria by hiding its members and organizing meetings, which eventually lead to the liberation of the nation.

She married the Spanish merchant Juan José Duarte in 1800, with whom she had the following children:[1] She left the island with her family in 1801 due to the invasion of Toussaint Louverture.

Already in 1843, she had to assume the leadership of her household in conflict due to the persecution of the Haitian Government, when she became a widow in November of that year; At that time Juan Pablo Duarte was in foreign exile.

On that occasion she accepted Francisco del Rosario Sánchez's demand that, despite the recent mourning, the doors of the house, full of people, be opened and a flag be placed in the window.