Diego Causero

Styles of
**Diego Causero**
Styles of; Diego Causero
Reference style	His Excellency; The Most Reverend;
Spoken style	Your Excellency
Religious style	Archbishop

His Excellency, The Most Reverend

Diego Causero
His Excellency, The Most Reverend; Diego Causero
Apostolic Nuncio Emeritus to Switzerland and Liechtenstein; Titular Archbishop of Gradum;
	Archbishop Diego Causero (center)
Appointed	28 May 2011
Retired	5 September 2015
Predecessor	Francesco Canalini
Successor	Thomas Gullickson
Other post	Titular Archbishop of Gradum (2001–2025)
Previous posts	Apostolic Nuncio to the Czech Republic (2004–2011); Apostolic Nuncio to Syria (1999–2004); Apostolic Nuncio to the Central African Republic (1993–1999); Apostolic Nuncio to the Republic of Congo (1993–1995); Apostolic Nuncio to Chad (1992–1999);
Orders
Ordination	7 April 1963 ; by Giuseppe Zaffonato
Consecration	6 January 1993; by Pope John Paul II, Giovanni Battista Re, and Justin Francis Rigali
Personal details
Born	13 January 1940; Moimacco, Udine, Italy
Died	14 November 2025 (aged 85); Udine, Italy

Diego Causero (13 January 1940 – 14 November 2025) was an Italian prelate of the Catholic Church who spent his career in the diplomatic service of the Holy See. From 1992 to 2015, he served as the head of the Vatican's diplomatic mission in several African and European countries.