The 2008–09 Combined Counties Football League season was the 31st in the history of the Combined Counties Football League, a football competition in England.
| Competition: | Combined Counties Football League Premier Division |
| Season: | 2008–09 |
| Winners: | Bedfont Green |
| Promoted: | Bedfont Green |
| Relegated: | Hartley Wintney Cobham |
| Matches: | 462 |
| Total Goals: | 1647 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The Premier Division featured three new teams in a league of 22 teams after the promotion of Merstham to the Isthmian League:
| Competition: | Combined Counties Football League Division One |
| Season: | 2008–09 |
| Winners: | Staines Lammas |
| Promoted: | Hanworth Villa Dorking |
| Matches: | 306 |
| Total Goals: | 1146 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
Division One featured two new teams in a league of 18 teams: