The 1986–87 Northern Premier League season was the 19th in the history of the Northern Premier League, a football competition in England.
It was the last Northern Premier League season, consisting of a single division, as before the next season 19 clubs joined the league and formed a new Division One.
The following club left the League at the end of the previous season: The following club joined the League at the start of the season: Challenge Cup: President's Cup: Northern Premier League Shield: Between Champions of NPL Premier Division and Winners of the NPL Cup.
1 As Macclesfield Town won both the Northern Premier League and the Presidents cup, Bangor City qualified as 2nd placed team of the NPL.
At the end of the nineteenth season of the Northern Premier League, Macclesfield Town applied to join the Football Conference and were successful.