The Roman Catholic Diocese of Sambalpur (Latin: Sambalpuren(sis)) is a diocese located in the city of Sambalpur in the ecclesiastical province of Cuttack-Bhubaneswar in India.

• 14 June 1951: Established as Diocese of Sambalpur from the Roman Catholic Archdiocese of Calcutta, Diocese of Nagpur and Diocese of Ranchi

• Bishops of Sambalpur (Latin Church)
  • Hermann Westermann (14 June 1951 – 28 February 1974)
  • Raphael Cheenath (later Archbishop) (28 February 1974 – 1 July 1985)
  • Lucas Kerketta (17 November 1986 – 26 July 2013)
  • Niranjan Sual Singh (28 September 2013 – present)

• GCatholic.org
• Catholic Hierarchy

21°28′26″N 83°59′13″E / 21.4738°N 83.9869°E / 21.4738; 83.9869