| League | British League Division Two |
|---|---|
| No. of competitors | 11 |
| Champions | Arena Essex Hammers |
| Knockout Cup | Arena Essex Hammers |
| Individual | Jan Stæchmann |
| Fours | Arena Essex Hammers |
| Highest average | Bo Petersen |
| Division/s above | British League (Div 1) |
The 1991 British League Division Two season (sponsored by Sunbrite) was contested as the second division of Speedway in the United Kingdom. The league had been renamed from the National League.[1] The season saw one of the rare occasions that speedway operated a promotion/relegation system.