Joanna Narutowicz née Billewicz (Lithuanian: Joana Bilevičiūtė-Narutavičienė; 21 March 1868 – 19 February 1948) was a Polish-Lithuanian educational activist and the last owner of the Brėvikiai Manor (Lithuania). Born to the Billewicz family, she was a cousin to Poland's first chief of state Józef Piłsudski and General Leon Billewicz. She married Stanisław Narutowicz, a signatory of the Act of Independence of Lithuania, with whom she ran several cultural facilities. Notably, she headed the gymnasium for girls in Telšiai. She was also the chairperson of the last Polish gymnasium in Kaunas, Lithu