1990–91 North West Counties Football League

The 1990–91 North West Counties Football League season was the ninth in the history of the North West Counties Football League, a football competition in England. Teams were divided into two divisions: Division One and Division Two.

Division One
Division One featured four new teams:
 * Bacup Borough, promoted as runners-up of Division Two
 * Eastwood Hanley, relegated from NPL Division One
 * Maine Road, promoted as champions of Division Two
 * Penrith, relegated from NPL Division One

Division Two
Division Two featured six new teams:


 * Bamber Bridge, joined from the Preston and District League
 * Bradford Park Avenue, joined from the Central Midlands Football League
 * Burscough, relegated from Division One
 * Castleton Gabriels, joined from the Manchester Football League
 * Chadderton, relegated from Division One
 * Kidsgrove Athletic, joined from the Mid-Cheshire Football League