The 2011–12 Sussex County Football League season was the 87th in the history of Sussex County Football League a football competition in England.[1] [2]
| Competition: | Sussex County Football League Division One |
| Season: | 2011–12 |
| Winners: | Three Bridges |
| Promoted: | Three Bridges |
| Matches: | 380 |
| Total Goals: | 1376 |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
Division One featured 16 clubs which competed in the division last season, along with four new clubs.
| Competition: | Sussex County Football League Division Two |
| Season: | 2011–12 |
| Winners: | East Preston |
| Promoted: | East Preston Hailsham Town Dorking Wanderers |
| Matches: | 306 |
| Total Goals: | 1107 |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
Division Two featured 14 clubs which competed in the division last season, along with four new clubs:
| Competition: | Sussex County Football League Division Three |
| Season: | 2011–12 |
| Winners: | Newhaven |
| Promoted: | Newhaven Saltdean United Broadbridge Heath |
| Matches: | 240 |
| Total Goals: | 943 |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
Division Three featured 14 clubs which competed in the division last season, along with two new clubs: