Roman Catholic Diocese of Saint Thomas of Mylapore

The Diocese of Saint Thomas of Mylapore, presently in Chennai, Tamil Nadu (Portuguese São Tomé de Meliapor; Latin Sancti Thomae de Meliapor), was a Latin Church ecclesiastical territory or diocese of the Catholic Church in India. It was a suffragan diocese in the ecclesiastical province of the Archdiocese of Goa, under the Portuguese patronage.