Michael Francis Crotty (born 26 March 1970) is an Irish Roman Catholic prelate who is Titular Archbishop of Lindisfarne and serves as Apostolic Nuncio to Nigeria since 16 July 2024.

Crotty studied for the priesthood at St Patrick's College, Maynooth, completing a Bachelor of Arts in anthropology and modern history from the National University of Ireland in 1990 and a Bachelor of Divinity from the Pontifical University in 1993.

[5] Crotty entered the Pontifical Ecclesiastical Academy in 1997, in preparation for a diplomatic career for the Holy See.

[8][9] Crotty was appointed Titular Archbishop of Lindisfarne and Apostolic Nuncio to Burkina Faso by Pope Francis on 1 February 2020.

[13][2][14] On 16 July 2024, Crotty was appointed as Apostolic Nuncio to Nigeria by Pope Francis.