Maria Dworzecka, originally Marysia Rozenszajn (June 19, 1941 – January 16, 2023) was a Polish-American computational nuclear physicist and physics educator, and a survivor of the Białystok Ghetto. Topics in her research have included the Hartree–Fock method, heavy-ion collisions, and the dissipation of nuclear energy; she has also been recognized for her involvement in the development of educational software for physics simulations. She was a professor emerita in the Physics & Astronomy Department at George Mason University. Maria died on January 16, 2023, in Fairfax, Virginia. She was 81 years old.