Giuseppe Sciacca (born 23 February 1955) is the current Secretary of the Supreme Tribunal of the Apostolic Signatura since his appointment by Pope Francis on July 16, 2016, replacing the retiring Archbishop Frans Daneels.
Previously, he had served as Adjunct Secretary of the Apostolic Signatura, since Saturday, 24 August 2013.
Previously, he had been serving as the Secretary General of the Governatorate of Vatican City State since his appointment by Benedict XVI on 3 September 2011.