1999–2000 Northern Counties East Football League

The 1999–2000 Northern Counties East Football League season was the 18th in the history of Northern Counties East Football League, a football competition in England.

Premier Division
The Premier Division featured 17 clubs which competed in the previous season, along with three new clubs.
 * Clubs promoted from Division One:
 * Brodsworth Miners Welfare
 * Harrogate Railway Athletic


 * Plus:
 * Alfreton Town, relegated from the Northern Premier League

Division One
Division One featured 11 clubs which competed in the previous season, along with five new clubs.
 * Clubs relegated from the Premier Division:
 * Pickering Town
 * Pontefract Collieries


 * Clubs joined from the Central Midlands League:
 * Goole
 * Mickleover Sports


 * Plus:
 * Bridlington Town, joined from the East Riding County League