1948 Speedway National League Division Two
The 1948 National League Division Two was the third post-war season of the second tier of motorcycle speedway in Great Britain. Edinburgh Monarchs were new participants as the league was extended to 9 teams.
Bristol Bulldogs were crowned champions, whilst Wigan Warriors were replaced by Fleetwood Flyers after just 3 away matches with their entire team transferring.
Final table
- Wigan Warriors were replaced by Fleetwood Flyers after 3 away matches
Anniversary Cup (Div 2) Final table
Top Five Riders (League only)
| Rider | Nat | Team | C.M.A. | |
| 1 | Fred Tuck |  | Bristol Bulldogs | 10.20 |
| 2 | Frank Hodgson | | Middlesbrough Bears | 9.84 |
| 3 | Graham Warren |  | Birmingham Brummies | 9.84 |
| 4 | Wilf Plant | | Middlesbrough Bears/Fleetwood Flyers | 9.24 |
| 5 | Jack Hunt |  | Newcastle Diamonds | 9.22 |