The Roman Catholic Diocese of Ootacamund (Latin: Ootacamunden(sis)) is a diocese located in the city of Ootacamund (Ooty) in the ecclesiastical province of Madras and Mylapore in India.

• Bishops of Ootacamund Diocese (Latin Rite)^{[citation needed]}
  • Bishop Mar Antony Padiyara (later Cardinal) (3 July 1955 – 14 June 1970)
  • Bishop Packiam Arokiaswamy (later Archbishop) (16 January 1971 – 6 December 1971)
  • Bishop James Masilamony Arul Das (later Archbishop) (21 December 1973 – 11 May 1994)
  • Bishop Antony Anandarayar (later Archbishop) (2 January 1997 – 10 June 2004)
  • Bishop Arulappan Amalraj (30 June 2006 – present)

• Bl. Mary of the Passion established a convent and order in Ooty.^[1]