The Diocese of Chingleput (Latin: Chingleputen(sis)) is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in India. Its episcopal see is Chingleput. The Diocese of Chingleput is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Madras and Mylapore.

The diocese Diocese of Chingleput was established on July 19, 2002, from territory taken from the Archdiocese of Madras and Mylapore.

Bishop Anthonisamy Neethinathan is the first the current bishop of Chingleput in charge from July 19, 2002. Saint Joseph's Cathedral is the seat of power located in Chingleput. The bishop house is located in JK Nagar, Chingleput.

• Bishops of Chingleput
  • Anthonisamy Neethinathan (July 19, 2002 – present)

This list is incomplete; you can help by adding missing items. (March 2016)

• St. Thomas National Shrine.
• Divine Mercy Hill Shrine – Chingleput.
• Mazhai Malai Madha Shrine – Acharapakkam.
• St. Antony’s Shrine – Palavakkam
• Our Lady of Fatima’s Shrine – Tambaram.
• Our Lady of Mount Carmel Shrine – Covelong (Kovalam).
• St. Jude’s Shrine – Vanuvampet

There are 11 vicariates in the Chingleput diocese.

• Chingleput
• Cheyyur
• Covelong
• Kancheepuram
• Madurantagam
• Palavakkam
• Pallavaram
• Palliagaram
• St. Thomas Mount
• Tambaram
• Guduvancherry

• Chingleput District (Madras Presidency)

• GCatholic.org
• Catholic Hierarchy

12°41′52″N 79°58′33″E / 12.6979°N 79.9757°E / 12.6979; 79.9757