Damian Stanislaw Wandycz (January 2, 1892 (Dobrzyn) – May 12, 1974) was a Polish-American émigré social and political activist, engineer, chemist, as well as a petroleum and natural gas industrialist.
He served as a member of the municipal council of the Polish city of Lwów before World War II as well as Executive Director of the Józef Pilsudski Institute of America in the years 1951–1956.