The Roman Catholic Diocese of Indore is a diocese of the Roman Catholic Church based in Indore, Madhya Pradesh, India.

Founded in 1952 and spread over 3 civil districts of western Madhya Pradesh, it serves an area of 19,073 km².

The bishop of the diocese is Chacko Thottumarickal, S.V.D., born 7 January 1949.

He was appointed bishop on 27 March 2002.

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