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New Zealand rugby union tournament in 1986
The 1986 season was the eleventh year of the National Provincial Championship (NPC), a provincial rugby union competition in New Zealand. Wellington were the winners of Division 1.
Division Two winner Waikato won their playoff match with North Harbour to be promoted to Division One to replace Southland who were relegated. Division Three winner South Canterbury were elevated to Division Two to replace Buller who were relegated.