The Roman Catholic Diocese of Nalgonda (Latin: Nalgondaen(sis)) is a diocese located in the city of Nalgonda in the ecclesiastical province of Hyderabad in India.

• 31 May 1976: Established as Diocese of Nalgonda from the Metropolitan Archdiocese of Hyderabad and Diocese of Warangal

• Bishops of Nalgonda (Latin Rite)
  • Bishop Dhaman Kumar Karanam MSFS (17 February 2024 – present)
  • Bishop Joji Govindu [de] (21 April 1997 – 31 July 2021)
  • Bishop Innayya Chinna Addagatla (17 April 1989 – 1 July 1993)
  • Bishop Mathew Cheriankunnel PIME (31 May 1976 – 22 December 1986)

• GCatholic.org
• Catholic Hierarchy

17°02′33″N 79°15′59″E / 17.0425°N 79.2663°E / 17.0425; 79.2663