2017–18 Northern Premier League

The 2017–18 season was the 50th season of the Northern Premier League Premier Division, and the eleventh and last season of the Division One North and South. The league sponsors for 2017–18 were Evo-Stik.

Team changes
The following 6 clubs left the Premier Division before the season -
 * Blyth Spartans – promoted to National League North
 * Corby Town – relegated to NPL Division One South
 * Frickley Athletic – relegated to NPL Division One South
 * Ilkeston – relegated to NPL Division One South, and were subsequently wound up in the high court. A New Ilkeston Town Replaced in Midland League Division One.
 * Skelmersdale United – relegated to NPL Division One North
 * Spennymoor Town – promoted to National League North

The following 6 clubs joined the Premier Division before the season -
 * Altrincham – relegated from National League North
 * Farsley Celtic – promoted from NPL Division One North
 * Lancaster City – promoted from NPL Division One North
 * Shaw Lane – promoted from NPL Division One South
 * Stalybridge Celtic – relegated from National League North
 * Witton Albion – promoted from NPL Division One South

Top scorers
Up to games played 28 April 2018.

Play-offs
Semi-finals

Final

Team changes
The following 3 clubs left Division One North before the season -
 * Burscough – relegated to North West Counties League Premier Division
 * Farsley Celtic – promoted to NPL Premier Division
 * Lancaster City – promoted to NPL Premier Division

The following 3 clubs joined Division One North before the season -
 * Atherton Collieries – promoted from North West Counties League Premier Division
 * Skelmersdale United – relegated from NPL Premier Division
 * South Shields – promoted from Northern League Division One

Top scorers
Up to games played 28 April 2018.

Play-offs
Semi-finals

Final

Team changes
The following 5 clubs left Division One South before the season -
 * Northwich Victoria – relegated to North West Counties League Premier Division
 * Rugby Town – relegated to Midland League Premier Division
 * Shaw Lane – promoted to NPL Premier Division
 * Witton Albion – promoted to NPL Premier Division
 * AFC Rushden & Diamonds – transferred to Southern League Division One Central

The following 5 clubs joined Division One South before the season -
 * Alvechurch – promoted from the Midland League Premier Division
 * Cleethorpes Town – promoted from the Northern Counties East League Premier Division
 * Corby Town – relegated from NPL Premier Division
 * Frickley Athletic – relegated from NPL Premier Division
 * Peterborough Sports – promoted from United Counties League Premier Division

Top scorers
Up to games played 28 April 2018.

Play-offs
Semi-finals

Final

Challenge Cup
The 2017–18 Northern Premier League Challenge Cup, known as the 17–18 Integro Doodson League Cup for sponsorship reasons, was the 48th season of the Northern Premier League Challenge Cup, the main cup competition in the Northern Premier League. It was sponsored by Doodson Sport for a seventh consecutive season. 67 clubs from England and one from Wales entered the competition, beginning with the preliminary round, and all ties ended after 90 minutes and concluded with penalties.

The defending champions were Bamber Bridge, who defeated Grantham Town in the 2017 final and who lost to the eventual champions Atherton Collieries in the second round.