The Diocese of Bomadi (Latin: Dioecesis Bomadiensis) is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in Nigeria. Its episcopal see is Bomadi, Delta State. The diocese is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Benin City.

The Apostolic Vicariate of Bomadi straddles the Niger River and Niger Delta and includes portions of Delta State and Rivers State.

• 17 March 1991: Established as Mission “sui iuris” of Bomadi from the Dioceses of Port Harcourt and Warri.
• 15 December 1996: Promoted as Apostolic Vicariate of Bomadi
• 21 September 2017: elevated to Diocese^[1]

• Our Lady of the Waters Cathedral, Ughelli

• Ecclesiastical Superior of Bomadi
  • Fr. Thomas Vincent Greenan (17 March 1991 – 15 December 1996)
• Vicars Apostolic of Bomadi
  • Bishop Joseph Egerega (3 March 1997 – 4 April 2009)
  • Bishop Hyacinth Oroko Egbebo (4 April 2009 – 21 September 2017 see below)
• Bishops of Bomadi
  • Hyacinth Oroko Egbebo (see above 21 September 2017 – present)

• Hyacinth Oroko Egbebo, M.S.P.N. (2007-2009), appointed Vicar Apostolic here

• GCatholic.org Information
• Catholic Hierarchy