1999–2000 Essex Senior Football League

The 1999–2000 season was the 29th in the history of Essex Senior Football League a football competition in England.

The league featured 13 clubs which competed in the league last season, along with three new clubs:
 * Bury Academy, a newly formed club joined the league, before resigning on 1 October 1999 and seeing their record expunged
 * Leyton, joined from the Essex Intermediate League
 * Woodford Town, joined from the London Intermediate League

Saffron Walden Town were champions, winning their first Essex Senior League title.