The Lwów Voivodeship was a short-lived voivodeship (province) of Poland, with capital in Rzeszów, that existed from 1944 to 1945. It was established on 22 August 1944, and until 28 June 1945, remained under the administration of the Provisional Government of the Republic of Poland, which then was replaced by the Provisional Government of National Unity. It existed until 18 August 1945, when it was incorporated into then-established .