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|St. Mary's Malankara Syrian Catholic Cathedral, Pattom, Trivandrum|
|Martha Mariam Malankara Suriani Catholica Simhasanapalli, Pattom, Trivandrum|
|Location||Pattom, Trivandrum - 695 004, Kerala|
|Country||Republic of India|
|Denomination||Syro-Malankara Catholic Church|
|Website||St.Marys Cathedral Pattom|
|Founder(s)||Metropolitan Archbishop Mar Ivanios|
|Dedicated||22 February 1965|
|Diocese||Syro-Malankara Catholic Major Archeparchy of Trivandrum|
|Bishop(s)||Moran Mor Baselios Cardinal Cleemis|
|Vicar(s)||Moran Mor Baselios Cardinal Cleemis|
|Priest(s)||Fr. John Padipurakkal|
St. Mary's Malankara Syrian Catholic Cathedral, Pattom, Trivandrum is the central place of worship of the Syro-Malankara Catholic Church. It is the See of the Major Archbishop-Catholicos 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 there.
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.