María Presentación Salas Larrazábal (22 November 1922 – 15 November 2008), also known as Mary Salas, was a Spanish writer and journalist who specialized in adult education and was a pioneer of women's laity.
She was linked to Catholic Action and was the first president of the NGO Manos Unidas.
A key figure in the struggle for equality, in 1960 she co-founded the Seminar on Women's Sociological Studies, the precursor of modern gender studies in Spain, and in 1986 promoted the Women's Studies Forum that she chaired.