Bronislawa Dluska (Polish pronunciation: [br??i'swava 'dwuska]; née Sklodowska; 28 March 1865 – 15 April 1939) was a Polish physician, and co-founder and first director of Warsaw's Maria Sklodowska-Curie Institute of Oncology.
She was married to political activist Kazimierz Dluski, and was an older sister of physicist Marie Curie.