Thaddeus Vladimir Gromada (born 30 July 1929 in Passaic, New Jersey) is a Polish-American historian.
He is a professor emeritus of European history at the New Jersey City University, a former executive director and president of the Polish Institute of Arts & Sciences of America (PIASA) and the Polish American Historical Association and a trustee and vice chair of The Kosciuszko Foundation.
His scholarly interests are focused on areas such as Polish and Polish-American 20th-century history.
His doctoral dissertation, "The Slovak Question in Polish Foreign Policy, 1934-1939," was supervised by Oscar Halecki till 1964 only two years before he received his Ph.D.in1966, Halecki retired after the death of his wife.
ProQuest Dissertations & Theses Global database. He began teaching at what was then known as Jersey City State College in 1959, being promoted to associate professor in 1966, and to professor in 1969.