The Apostolic Nunciature to Argentina the diplomatic mission of the Holy See to Argentina. It is located at the Fernández Anchorena Palace, in Buenos Aires. The current Apostolic Nuncio is Archbishop Mirosław Adamczyk, who was named to the position by Pope Francis on 22 February 2020.

An apostolic nunciature is a top-level diplomatic mission of the Holy See that is equivalent to an embassy. However, it neither issues visas nor has consulates.