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 1 The following table gives the final standings: Relegated to Division Two

Pos Team Pld W D L PF PA PD Pts1101000274131+1434021090130885+22336310712282153+12931410604199187+1225510505179214-3522610406147234-8716710307189205-1615810307147176-2913910307123241-118131010217176225-49121110208166339-1738

Division 2 The following table gives the final standings: Relegated to Division Three

Pos Team Pld W D L PF PA PD Pts1770021859+159282760117258-114253750215380+732147403200111+89175740376138-62136720593181-88877106571173-398587007502219-2831

Division 3 The following table gives the final standings:

Pos Team Pld W D L PF PA PD Pts1770016168+9328275029274+18213740313994+4518473048895-71557304118116+2146730478122-44147720570121-51108710682136-546

Promotion/relegation Division Two winner won their playoff match with to be promoted to Division One to replace who were relegated. Division Three winner were elevated to Division Two to replace who were relegated.

References