Saint Geevarghese Mar Dionysius of Vattasseril, born Geevarghese (31 October 1858 – 23 February, 1934) was the Malankara Metropolitan (primate) of the Malankara Orthodox Church.
Vattasseril Geevarghese Mar Dionysius is popularly known as "Malankara Sabha Bhasuran" (Malayalam: Malankara Sabha Bhasuran meaning 'The Great Luminary of Malankara Church'), a title which the Church bestowed on him in recognition of his contribution to Malankara Church.
Vattasseril Thirumeni was a man of prayer, determination and dynamism.
He was the greatest advocate of sovereignty and autonomy of the Malankara Church.