Jean-Marie Speich (born 15 June 1955) is a French prelate of the Catholic Church who worked in the diplomatic service of the Holy See from 1986 until his retirement in 2026. He was an apostolic nuncio from 2013 to 2026. He has been an archbishop since 2013.
Speich was born on 15 June 1955 in Strasbourg, France, to Xavier Speich and Marie Thérèse Goetz, residents of Willgottheim (Bas-Rhin). His sister Andrée Speich is a cloistered Benedictine nun.
Speich was ordained to the priesthood on 9 October 1982, by Bishop Léon Arthur Elchinger. From 1982 to 1984, he served as assistant pastor at St. Vincent de Paul Parish in the Archdiocese of Strasbourg. To prepare for a diplomatic career he entered the Pontifical Ecclesiastical Academy in 1984.
He entered the diplomatic service of the Holy See on 1 July 1986 and was assigned to Apostolic Nunciatures of the Holy See in Haiti, Nigeria, Bolivia, Canada, Germany, the United Kingdom, Egypt, Spain and Cuba. On 27 March 2008, he became head of the section for French-speaking countries at the Secretariat of State.
Speich's academic degrees include a doctorate in canon law, and a licentiate in sacred theology, both from the Pontifical Gregorian University.
On 17 August 2013, Pope Francis named Speich Apostolic Nuncio to Ghana and titular archbishop of Sulci. He received his episcopal consecration from Pope Francis on 24 October.
On 19 March 2019, Pope Francis appointed him Apostolic Nuncio to Slovenia and Apostolic Delegate to Kosovo.
On 12 April 2025, Pope Francis appointed him as nuncio to the Netherlands.
On 21 February 2026, Pope Leo XIV accepted his resignation, which he had submitted at the age of 70 as nuncios as privileged to do.
The Speich family coat of arms dates to the first half of the 13th century. Speich assumed the motto of Speich family of Strasbourg, which has been in use since 1415. This motto, "", which is in Alemannic German and means "As I can".