| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Sebastien Knab | |
| Archbishop of Nakhijevan | |
| Church: | Catholic Church |
| Archdiocese: | Archdiocese of Nakhchivan |
| Term: | 1682–1690 |
| Predecessor: | Thomas Tatumensis |
| Successor: | Paul Baptiste Avanian |
| Consecration: | 18 October 1682 |
| Consecrated By: | Alessandro Crescenzi (cardinal) |
| Birth Date: | c. 1632 |
| Birth Place: | Bamberg, Germany |
| Death Date: | 8 September 1690 |
| Death Place: | Nakhchivan, Safavid dynasty |
| Nationality: | German |
Sebastien Knab, O.P. (c. 1632 – 8 September 1690) was a Roman Catholic prelate who served as Archbishop of Nakhijevan (1682–1690).[1] [2] [3] [4]
Sebastien Knab was born in Bamberg in around 1632 and ordained a priest in the Order of Preachers. On 28 September 1682, he was appointed during the papacy of Pope Innocent XI as Archbishop of Nakhchivan. On 18 October 1682, he was consecrated bishop by Alessandro Crescenzi (cardinal), Bishop of Recanati e Loreto, with Odoardo Cibo, Titular Archbishop of Seleucia in Isauria, and Gregorio Carducci, Bishop of Valva e Sulmona, serving as co-consecrators. He served as Archbishop of Nakhchivan until his death on 8 September 1690.