Ioan Șișeștean (11 June 1936 - 12 April 2011) was a Romanian prelate of the Greek Catholic Church who was the bishop of the Greek Catholic Diocese of Maramureș in Romania from 1994 until his death.
He was born on 11 June 1936 in Șișești, Maramureș County, the eldest son of eight children born into a peasant family. He attended primary school in his home town and the "Gheorghe Şincai" Theoretical High School in Baia Mare. He worked briefly as a substitute teacher and then as a laboratory technician in a factory in Baia Mare. He studied theology clandestinely and was secretly ordained a priest on 13 March 1972 by Bishop Ioan Dragomir.[1]
He taught dogmatic theology at the Greek-Catholic Theological Institute in Baia Mare when it reopened. Bishop Lucian Muresan named him Vicar of Maramures early in 1994 and the named to replace Muresan as bishop on 4 July 1994.[1]
He received his episcopal consecration on 11 September 1994 from Bishop Lucian Mureșan, assisted by Bishops Virgil Bercea and Alexandru Mesian.[1] [2]
He died of a heart attack on 12 April 2011 in Baia Sprie.[3]