Stephanos Mar Theodosius (1924–2007) was the bishop of the Calcutta diocese of the Malankara Orthodox Church.
He was ordained as Deacon on 25 April 1946 at Sleeba Church, Pathamuttam.
by Geevarghese, the 2nd Catholicos and as priest in 1947 On 2 October 1974 he was elected as a bishop of the Malankara Orthodox Church.
In the 1960s he studied in the United States, receiving a BD from the General Theological Seminary, New York 1966, and a STN from Berkley Divinity School at Yale University in 1967.
He died on 5 November 2007 at Muscat and was buried in St Thomas Ashram Chapel, Bhilai