Sebastian Adayantharath (born 5 April 1957) is a Syro-Malabar Catholic bishop.
Mar Sebastian Adayantharath was born on 5 April 1957 of Ouseph Chacko and Thresiamma at Vaikom, Kerala.
He joined the Sacred Heart Minor Seminary of the Archdiocese of Ernakulam-Angamaly on 1 July 1973.
In the wake of an investigation surrounding a controversial land deal which allegedly resulted in the Archdiocese losing $10 million,[1] Bishop Manathodath was appointed the apostolic administrator of Ernakulam-Angamaly in June 2018.
Alencherry, Bishop Adayantharath did not face criminal charges and was later appointed as the Bishop of Syro-Malabar Eparchy of Mandya by the Holy Synod of Syro-Malabar Catholic Church and Pope Francis on 30 August 2019.