1990–91 Northern Counties East Football League

The 1990–91 Northern Counties East Football League season was the 9th in the history of Northern Counties East Football League, a football competition in England. Division Two was disbanded at the end of the season. Most of the Division Two clubs were promoted to Division One.

Premier Division
The Premier Division featured 12 clubs which competed in the previous season, along with four new clubs.
 * Clubs promoted from Division One:
 * Maltby Miners Welfare
 * Ossett Town
 * Plus:
 * Spennymoor United, transferred from the Northern League
 * Winterton Rangers, promoted from Division Two

Division One
Changes made before start of season:
 * Clubs relegated from the Premier Division:
 * Grimethorpe Miners Welfare
 * Hallam
 * Hatfield Main
 * Sheffield
 * Clubs promoted from Division Two:
 * Glasshoughton Welfare
 * Selby Town
 * Yorkshire Main

BSC Parkgate changed name to RES Parkgate. Collingham, Woolley Miners Welfare and Frecheville Community Association all left the league.

Division Two
Division One featured ten clubs which competed in the previous season, along with three new clubs, relegated from Division One:
 * Immingham Town
 * Kiveton Park
 * Rowntree Mackintosh