Miguel Ángel Sebastián Martínez

Miguel Ángel Sebastián Martínez, M.C.C.J. (born 28 September 1950) is a Spanish-born Chadian Roman Catholic prelate and member of the Comboni Missionaries of the Heart of Jesus. He served as Bishop of Lai from 1999 to 2018 and as Bishop of Sarh from 2018 until his retirement in 2026.

Early life and ministry Sebastián Martínez was born on 28 September 1950 in Zaragoza, Spain. He entered the Comboni Missionaries of the Heart of Jesus and was ordained a priest on 7 June 1975.

Episcopal ministry On 28 November 1998, Pope John Paul II appointed Sebastián Martínez the first bishop of the newly erected Diocese of Lai. His episcopal consecration took place on 14 February 1999. The principal consecrator was Bishop Matthias N'Gartéri Mayadi, with Bishops Edmond Jitangar and Michele Russo serving as co-consecrators.

From 30 January 2014 until 18 February 2017, he also served as apostolic administrator of the Diocese of Doba.

On 16 July 2026, Pope Leo XIV accepted his resignation upon reaching the canonical retirement age of 75 and appointed Capuchin priest Jean Miguina as his successor.