The 2010–11 Sussex County Football League season was the 86th in the history of Sussex County Football League a football competition in England.[1] [2]
| Competition: | Sussex County Football League Division One |
| Season: | 2010–11 |
| Winners: | Crawley Down |
| Promoted: | Crawley Down |
| Relegated: | Eastbourne United Association |
| Matches: | 380 |
| Total Goals: | 1296 |
| Prevseason: | 2009–10 |
| Nextseason: | 2011–12 |
Division One featured 18 clubs which competed in the division last season, along with two new clubs, promoted from Division Two:
| Competition: | Sussex County Football League Division Two |
| Season: | 2010–11 |
| Winners: | A.F.C. Uckfield |
| Promoted: | A.F.C. Uckfield Lancing Worthing United |
| Relegated: | Clymping |
| Matches: | 306 |
| Total Goals: | 1163 |
| Prevseason: | 2009–10 |
| Nextseason: | 2011–12 |
Division Two featured 16 clubs which competed in the division last season, along with two new clubs:
Also, Wealden changed name to A.F.C. Uckfield.
| Competition: | Sussex County Football League Division Three |
| Season: | 2010–11 |
| Winners: | Dorking Wanderers |
| Promoted: | Dorking Wanderers |
| Matches: | 240 |
| Total Goals: | 941 |
| Prevseason: | 2009–10 |
| Nextseason: | 2011–12 |
Division Three featured 14 clubs which competed in the division last season, along with two new clubs: