The Diocese of Chingleput (Latin: Chingleputen(sis)) is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in India.

The Diocese of Chingleput is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Madras and Mylapore.

Saint Joseph's Cathedral is the seat of power located in Chingleput.

The bishop house is located in JK Nagar, Chingleput.

This article about a Roman Catholic diocese in India is a stub.