Eugenia de Reuss Ianculescu (11 March 1866 – 29 December 1938) was a Romanian teacher, writer, and women's rights activist. She was one of the founders of the Women's League, the first feminist organization in Romania, and later was the founder of the League for Romanian Women's Rights and Duties. Fighting for women's suffrage for fifty years, she wrote novels, delivered lectures, cultivated support of politicians and presented legislative petitions, earning in the year of her death, the right for Romanian women to participate in general elections.