2002–03 Essex Senior Football League

The 2002–03 season was the 32nd in the history of Essex Senior Football League a football competition in England.

The league featured 15 clubs which competed in the league last season, along with two new clubs:
 * Romford, resigned from the Isthmian League
 * Waltham Abbey, joined from the Essex & Herts Border Combination

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