The 1973–74 season was the third in the history of Essex Senior Football League, a football competition in England.[1]
The league featured ten clubs which competed in the league last season, no new clubs joined the league this season.
Saffron Walden Town were champions, winning their first Essex Senior League title.
| Competition: | Essex Senior Football League |
| Season: | 1973–74 |
| Winners: | Saffron Walden Town |
| Matches: | 90 |
| Total Goals: | 276 |
| Prevseason: | 1972–73 |
| Nextseason: | 1974–75 |