The 2008–09 season was the 67th in the history of the Eastern Counties Football League, a football league in England.[1]
Lowestoft Town were champions, winning their twelfth Eastern Counties Football League title and were promoted to the Isthmian League for the first time in their history.
| Competition: | Eastern Counties Football League Premier Division |
| Season: | 2008–09 |
| Winners: | Lowestoft Town |
| Promoted: | Lowestoft Town |
| Matches: | 420 |
| Total Goals: | 1541 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The Premier Division featured 18 clubs which competed in the division last season, along with four new clubs:
| Competition: | Eastern Counties Football League Division One |
| Season: | 2008–09 |
| Winners: | Newmarket Town |
| Promoted: | Debenham LC Hadleigh United Newmarket Town |
| Matches: | 380 |
| Total Goals: | 1326 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
Division One featured 16 clubs which competed in the division last season, along with four new clubs: