1975 New National League season
| League | New National League |
|---|---|
| No. of competitors | 20 |
| Champions | Birmingham Brummies |
| Knockout Cup | Eastbourne Eagles |
| Individual | Laurie Etheridge |
| Pairs | Newcastle Diamonds |
| Highest average | Joe Owen |
| Division/s above | 1975 British League |
The 1975 New National League was contested as the second division/tier of Speedway in the United Kingdom when British League Division Two was renamed. It was subsequently named the National League. The change came about following unrest between some of the clubs and the speedway authorities in previous seasons.