Luis Mariano Montemayor

His Excellency, The Most Reverend Luis Mariano Montemayor
Apostolic Nuncio of Ireland Titular Archbishop of Illici
Luis Mariano Montemayor
Appointed	25 February 2023
Predecessor	Thaddeus Okolo
Other post(s)	Titular Archbishop of Illici
Orders
Ordination	15 November 1985 by Juan Carlos Aramburu
Consecration	6 August 2008 by Dominique Mamberti, Pope Francis, and Eduardo Maria Taussig
Personal details
Born	(1956-03-16) March 16, 1956 (age 68) Buenos Aires, Argentina
Previous post(s)	Apostolic Nuncio to Colombia (2018-2023) Apostolic Nuncio to the Democratic Republic of the Congo (2015-2018) Apostolic Nuncio to Senegal, Mauritania, Guinea-Bissau and Cabo Verde (2008-2015)
Motto	Sufficit Tibi Gratia Mea
Coat of arms

Styles of Luis Mariano Montemayor
Reference style	The Most Reverend
Spoken style	Your Excellency
Religious style	Monsignor
Posthumous style	not applicable

Luis Mariano Montemayor (born 16 March 1956) is an Argentinian prelate of the Catholic Church who has worked in the diplomatic service of the Holy See since 1991. He began to serve in his present position as Apostolic Nuncio to Ireland in February of 2023.

Prior to this, He has served as the Apostolic Nuncio to Colombia from September 2018 to February 2023, Apostolic Nuncio to the Democratic Republic of the Congo from 2015 to 2018 and to Senegal, Cape Verde, and Guinea Bissau, as well as Apostolic Delegate to Mauritania from 2008 to 2015.

He was the second Argentine to be named a nuncio, after Leonardo Sandri.^[1]