Joseph Flack

{{Short description|American diplomat}}

Joseph Flack (December 5, 1894 – May 8, 1955) was an American diplomat who served as ambassador to Bolivia, Costa Rica, and Poland.{{cite web|url=https://history.state.gov/departmenthistory/people/flack-joseph|title=Joseph Flack profile|website=history.state.gov|access-date=August 25, 2017}}{{cite book|last=Mania|first=Andrzej|title=Schedae politicae|url=https://books.google.com/books?id=gP-BAAAAMAAJ|year=1994|publisher=Państwowe Wydawn Naukowe|page=89|isbn=9788323307426}}

He was born in Grenoble, Pennsylvania, the son of Roland Flack and Sallie R. Walter Flack.U.S. Passport Applications, 1795-1925