John Gronouski | |
|---|---|
 | |
| United States Ambassador to Poland | |
| In office December 7, 1965 – May 26, 1968 | |
| President | Lyndon B. Johnson |
| Preceded by | John M. Cabot |
| Succeeded by | Walter J. Stoessel Jr. |
| 56th United States Postmaster General | |
| In office September 30, 1963 – November 2, 1965 | |
| President | John F. Kennedy Lyndon B. Johnson |
| Preceded by | J. Edward Day |
| Succeeded by | Larry O'Brien |
| Personal details | |
| Born | John Austin Gronouski Jr. October 26, 1919 Dunbar, Wisconsin, U.S. |
| Died | January 7, 1996 (aged 76) Green Bay, Wisconsin, U.S. |
| Political party | Democratic |
| Spouse | Mary Metz |
| Children | 2 |
| Education | University of Wisconsin–Madison (BA, MA, PhD) |
| Military service | |
| Allegiance |  United States |
| Branch/service |  United States Army |
| Years of service | 1942-1945 |
| Unit | United States Army Air Forces |
| Battles/wars | World War II |
John Austin Gronouski Jr. (October 26, 1919 – January 7, 1996) was the Wisconsin state commissioner of taxation and served as the United States Postmaster General from 1963 until 1965 under Presidents John F. Kennedy and Lyndon B. Johnson.