The Diocese of Palmerston North is Latin Church diocese of the Catholic Church in New Zealand. It is a suffragan diocese of the Archdiocese of Wellington. It was formed on 6 March 1980 when the archdiocese was divided. The diocese has an area of area 36,200 km (14,000 sq mi) and had, in 2021, 67,645 Catholics, 50 priests (28 diocesan, 22 religious), 141 religious (male and female) out of a total population of 499,220 people. The cathedral of Palmerston North is the Cathedral of the Holy Spirit.

List of ordinaries of Palmerston North

Tenure	Incumbent	Life
1980–2012	Peter James Cullinane	1936–present
2012–2019	Charles Edward Drennan	1960–present
2019–2023	John Dew	1948–present
2023–present	John Adams	1963–present

• John Adams third Bishop of Palmerston North (2023 – incumbent)
• John Cardinal Dew, Apostolic Administrator (2019–2023).
• Charles Edward Drennan (born 1960), second Bishop of Palmerston North (2012–2019); Coadjutor Bishop of Palmerston North (2011–2012).
• Owen John Dolan (born 1928) Coadjutor Bishop Emeritus of Palmerston North (2004–present); Coadjutor Bishop of Palmerston North (1995–2004).
• Peter James Cullinane (born 1936), Bishop Emeritus of Palmerston North (2012–present); first Bishop of Palmerston North (1980–2012).

• Cullinane College, Wanganui
• Francis Douglas Memorial College, New Plymouth
• Hato Paora College, Feilding
• Sacred Heart College, Napier
• Sacred Heart Girls' College, New Plymouth
• St John's College, Hastings
• St Joseph's Māori Girls' College, Taradale, Napier
• St Peter's College, Palmerston North

• Catholic Diocese of Palmerston North
• "Diocese of Palmerston North". Catholic-Hierarchy. Retrieved 2007-01-07.