The 1984–85 season was the 43rd in the history of Eastern Counties Football League a football competition in England.[1]
The league featured 21 clubs which competed in the league last season, along with one new club:
Braintree Town were champions, winning their second Eastern Counties Football League title in a row.
| Competition: | Eastern Counties Football League |
| Season: | 1984–85 |
| Winners: | Braintree Town |
| Matches: | 462 |
| Total Goals: | 1401 |
| Prevseason: | 1983–84 |
| Nextseason: | 1985–86 |