The 1976–77 season was the sixth in the history of Essex Senior Football League, a football competition in England.[1]
The league featured 14 clubs which competed in the league last season, along with three new clubs:
Basildon United were champions, winning their first Essex Senior League title.
| Competition: | Essex Senior Football League |
| Season: | 1976–77 |
| Winners: | Basildon United |
| Matches: | 272 |
| Total Goals: | 830 |
| Prevseason: | 1975–76 |
| Nextseason: | 1977–78 |