Benedict Mor Gregorios (1 February 1916 – 10 October 1994) was the second metropolitan archbishop of the Syro-Malankara Catholic Church.

[1] Gregorios or "Thangalathil Thirumeni" was born and raised in the Malankara Orthodox Church in Kalloopara, present day Pathanamthitta district.

He was ordained a religious priest of Bethany Ashram by then Bishop of Kandy Bernad Reinjo in 1944.

As a dynamic young priest he taught Syriac for some time in St. Aloysius Seminary, Trivandrum.

He was consecrated as bishop on January 29, 1953, by the hands of Archbishop Ivanios, and he received the name Benedict Mar Gregorios.