1948 Speedway National League Division Two
| League | National League Division Two |
|---|---|
| No. of competitors | 9 |
| Champions | Bristol Bulldogs |
| National Trophy (Div 2 final) | Birmingham Brummies |
| Anniversary Cup | Birmingham Brummies |
| Highest average | Fred Tuck |
| Division/s above | National League (Div 1) |
| Division/s below | National League (Div 3) |
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.