| League | National League |
|---|---|
| No. of competitors | 19 |
| Champions | Middlesbrough Tigers |
| Knockout Cup | Edinburgh Monarchs |
| Individual | Mike Ferreira |
| Pairs | Canterbury Crusaders |
| Fours | Edinburgh Monarchs |
| Highest average | Mike Ferreira |
| Division/s above | 1981 British League |
The 1981 National League was contested as the second division/tier of Speedway in the United Kingdom.[1]