List of defunct New Zealand rugby union teams

These New Zealand Rugby union teams are now defunct:

Ashburton County (1927-1952) — changed to Mid Canterbury
Bush — merged into Wairarapa-Bush
Central Vikings (1997-1998)
Golden Bay-Motueka (1920-1967)  - merged into Nelson Bays Rugby Union
Manawhenua (1924-1933) 
Marlborough (1888-2005) — merged into Tasman
Nelson (1885-1967) - merged into Nelson Bays Rugby Union with Golden Bay-Motuekea Rugby Union
Nelson Bays (1968-2005) — merged into Tasman
North Auckland (1920-1994) — changed to Northland
South Auckland Rugby Union (1909-1921) — changed to South Auckland Counties rugby football union (1955-1995) changed to Counties Manukau Rugby Football Union