The Thoothukudi - Nazareth Diocese is a diocese of Church of South India in Tamil Nadu state of India.The diocese is one among the 22 dioceses of Church of South India, a United Protestant denomination.The cathedral of the diocese is St. John's Cathedral at Nazareth, Tamil Nadu.

Samuel Ebenezer Clement Devasahayam is the second Bishop of Thoothukudi - Nazareth Diocese of the Church of South India.

J.A.D. Jebachandran[1] was the inaugural Bishop of Thoothukudi - Nazareth, serving from 2006 to 2013.[2]

Mr. V. Sekar

Executive Member,

Dr. G.U. Pope’s Council,

Thoothukudi Nazareth Diocesan - CSI