Henryk Korab-Janiewicz (January 16, 1897 – August 11, 1971) was a Polish-American businessman, historian,[citation needed] social activist and three-time president of the Józef Piłsudski Institute of America.

Next, Korab-Janiewicz finished the Wyższa Szkoła Handlowa in Warsaw and worked as the chairman of the International Association of Trade and Consignment "Metokko" as well as in the Polish State Loan Agency.

In 1924 he moved to Paris, where he studied and worked as one of secretaries general for the Association for Protection of Polish Immigrants in France.

In 1935, Korab-Janiewicz established a factory of meat products called "Pasco" and initiated the creation of a Buffalo branch of the Polish Maritime and Colonial League.

In 1947 he became a member of the Józef Piłsudski Institute of America and between 1955 and 1969 he served as its president, with two short breaks.