1951 Speedway National League Division Two
The 1951 National League Division Two was the sixth post-war season of the second tier of motorcycle speedway in Great Britain.
Summary
The League was extended again with 18 teams starting the season. New entrants were Motherwell Eagles and there were again three teams promoted from Division Three - the champions Oxford Cheetahs, third place finishers Leicester Hunters and Liverpool Chads. Plymouth Devils moved back down in the opposite direction.Norwich Stars retained their title.
Southampton Saints and Sheffield Tars resigned in mid-season and their records were expunged.
Final table
Top Five Riders (League only)
| Rider | Nat | Team | C.M.A. | |
| 1 | Jack Young |  | Edinburgh Monarchs | 11.72 |
| 2 | Bob Leverenz | | Norwich Stars | 10.84 |
| 3 | Derick Close |  | Newcastle Diamonds/Motherwell Eagles | 10.71 |
| 4 | Tommy Miller |  | Glasgow White City Tigers | 10.70 |
| 5 | Arthur Forrest | | Halifax Dukes | 10.30 |
National Trophy Stage Two
The 1951 National Trophy was the 14th edition of the Knockout Cup. The Trophy consisted of three stages; stage one was for the third division clubs, stage two was for the second division clubs and stage three was for the top tier clubs. The winner of stage one would qualify for stage two and the winner of stage two would qualify for the third and final stage. Norwich won stage two and therefore qualified for stage three.Second Division Qualifying First Round
Second Division Qualifying Second Round
Second Division Qualifying Quarter Finals
Second Division Qualifying Semi Finals
Second Division Qualifying Final
- For Stage One - see Stage One
- For Stage Three - see Stage Three