2009–10 Essex Senior Football League

The 2009–10 season was the 39th 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 three new clubs:
 * Bethnal Green United, promoted from the Middlesex County League
 * Tiptree United, transferred from the Eastern Counties League
 * Witham Town, relegated from the Isthmian League

Also, Mauritius Sports & Pennant changed name to Mauritius Sports Association.

Stansted were champions, winning their first Essex Senior League title, but were not promoted due to ground grading requirements.