| Izydor Modelski | |
| Birth Date: | 10 May 1889 |
| Birth Place: | Lwów, Austria-Hungary (now Ukraine) |
| Death Place: | Washington, D.C., United States |
| Allegiance: | Poland |
| Rank: | Lieutenant General |
| Width Style: | person |
Izydor Modelski (May 10, 1889, in L'viv – September 25, 1962, in Washington, D.C.) was a Polish spy and a lieutenant general of the Polish Army.[1] Modelski also completed a doctorate in philosophy at the University of Lviv in 1917. In 1946, he was sent to the United States to establish a spy ring. Defying an order to return to Poland in 1948, he testified about his actions to the House Un-American Activities Committee in 1949.