The Chairman of the Provisional Government of the Irish Free State was a transitional post established in January 1922, lasting until the creation of the Irish Free State in December 1922.
After Collins and Griffith's deaths in August 1922, W. T. Cosgrave became both Chairman of the Provisional Government and President of Dáil Éireann, and the distinction between the two became increasingly confused and irrelevant until the creation of the Irish Free State in December 1922.