The 2000–01 Sussex County Football League season was the 76th in the history of Sussex County Football League a football competition in England.[1] [2]
| Competition: | Sussex County Football League Division One |
| Season: | 2000–01 |
| Winners: | Sidley United |
| Relegated: | Lancing Eastbourne Town East Preston |
| Matches: | 380 |
| Total Goals: | 1243 |
| Prevseason: | 1999–2000 |
| Nextseason: | 2001–02 |
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: | 2000–01 |
| Winners: | Southwick |
| Promoted: | Southwick Peacehaven & Telscombe Hailsham Town |
| Relegated: | Crowborough Athletic Lingfield |
| Matches: | 306 |
| Total Goals: | 1084 |
| Prevseason: | 1999–2000 |
| Nextseason: | 2001–02 |
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: | 2000–01 |
| Winners: | Rye United |
| Promoted: | Rye United Seaford |
| Matches: | 210 |
| Total Goals: | 773 |
| Prevseason: | 1999–2000 |
| Nextseason: | 2001–02 |
Division Three featured 13 clubs which competed in the division last season, along with two new clubs: