Damian Stanisław Wandycz (January 2, 1892 (Dobrzyń) – 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 Piłsudski Institute of America in the years 1951–1956.
During World War II worked for the Polish government-in-exile.
Sent to the United States with the mission of negotiating an American loan for Poland, remained in America.
Also an organizer of the first Congress of American Scholars of Polish Extraction.