2000–01 Eastern Counties Football League

The 2000–01 season was the 59th in the history of Eastern Counties Football League a football competition in England.

AFC Sudbury were champions, winning their first Eastern Counties Football League title after the new club was formed in 1999.

Premier Division
The Premier Division featured 20 clubs which competed in the division last season, along with two new clubs, promoted from Division One:
 * Ely City
 * Tiptree United

Also, Felixstowe Port & Town merged with Walton United to form new club Felixstowe & Walton United.

Division One
Division One featured 16 clubs which competed in the division last season, along with one new club:
 * Wisbech Town reserves