The 1983–84 season was the 42nd in the history of Eastern Counties Football League a football competition in England.[1]
The league featured 22 clubs which competed in the league last season, no new clubs joined the league this season, though Braintree changed name to Braintree Town, Stowmarket changed name to Stowmarket Town. Braintree Town were champions, winning their first Eastern Counties Football League title.
| Competition: | Eastern Counties Football League |
| Season: | 1983–84 |
| Winners: | Braintree Town |
| Matches: | 462 |
| Total Goals: | 1519 |
| Prevseason: | 1982–83 |
| Nextseason: | 1984–85 |