Ana Rosa Schlieper de Martínez Guerrero (15 August 1898 - 4 September 1964) was an Argentine feminist leader, philanthropist, and welfare worker.
She also founded the Unión Argentina de Mujeres (Argentine Women's Union) and a war relief organization, Victory Committee.
Martínez Guerrero was born in 1898 in Buenos Aires, the daughter of Enrique Schlieper and Ana Zabalrado.
Russell Sage College (New York City, 1941) awarded her the title of doctor honoris causa.
At the same time, she was the leader of the Inter-American Commission of Women (1939–43), and secretary general of the anti-Fasciest group, Accion Argentina (Argentine Action).