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The Apostolic Nuncio to Poland is one of the oldest nuncios, appointed by the Pope as apostolic representative to the Roman Catholic Church in Poland. Three nuncios to Poland went on to be elected pope. Three were cardinals at the time of their appointment as nuncio, and the rest—with the sole exception of Filippo Cortesi—were elevated afterwards.
The Polish Provisional Government declared the Concordat of 1925 null and void in 1945 due to what they perceived as its wartime abrogation. No proper Apostolic Nuncio was appointed between 1947 and 1989. Until 1972, the Holy See continued to recognize the London-based Polish government-in-exile as the legal authorities of Poland and to accredit its ambassadors. After Vatican's recognition of the Warsaw-based authorities, two Apostolic Delegates were consecutively appointed, although without the diplomatic privileges: