The 1991–92 season was the 50th in the history of Eastern Counties Football League a football competition in England.[1]
Wroxham were champions, winning their first Eastern Counties Football League title.
| Competition: | Eastern Counties Football League Premier Division |
| Season: | 1991–92 |
| Winners: | Wroxham |
| Relegated: | Clacton Town Thetford Town |
| Matches: | 462 |
| Total Goals: | 1484 |
| Prevseason: | 1990–91 |
| Nextseason: | 1992–93 |
The Premier Division featured 20 clubs which competed in the division last season, along with two new clubs, promoted from Division One:
| Competition: | Eastern Counties Football League Division One |
| Season: | 1991–92 |
| Winners: | Diss Town |
| Promoted: | Diss Town Fakenham Town |
| Matches: | 380 |
| Total Goals: | 1259 |
| Prevseason: | 1990–91 |
| Nextseason: | 1992–93 |
Division One featured 17 clubs which competed in the division last season, along with three new clubs: