St. Mary's Malankara Syrian Catholic Cathedral, Pattom, Trivandrum is the central place of worship of the Syro-Malankara Catholic Church. It is the seat of the Major Archbishop of Trivandrum. The tombs of the Servant of God Archbishop Geevarghese Mar Ivanios, Archbishop Benedict Mar Gregorios and of Major Archbishop Cyril Baselios Catholicos are located here.

St. Mary’s Malankara Syrian Catholic Cathedral, Pattom, Trivandrum
Façade of the St. Mary`s Syro-Malankara Cathedral
8°31′34″N 76°56′17″E / 8.52611°N 76.93806°E / 8.52611; 76.93806
Location	Pattom, Trivandrum - 695 004, Kerala
Country	India
Denomination	Syro-Malankara Catholic Church
Religious institute	The Syro-Malankara Catholic Church
History
Founded	1950
Founder(s)	Metropolitan Archbishop Mar Ivanios
Dedicated	22 February 1965
Architecture
Style	Baroque
Administration
Diocese	Syro-Malankara Catholic Major Archeparchy of Trivandrum
Clergy
Vicar(s)	Fr. Dr. George Thomas
Priest(s)	Fr. Dr. George Thomas, Fr. Varghese Malayil

The foundation stone of this cathedral was laid by Archbishop Mar Ivanios in 1950, and the cathedral was consecrated by Archbishop Benedict Mar Gregorios on 22 February 1965.

Pope John Paul II visited the cathedral on 8 February 1986.

The cathedral was renovated in 2008. The blessing of the renovated cathedral was on 8 November 2008. There were 531 families in the parish community.