| 2006 National League | |
|---|---|
| League | National League |
| National League One | |
| Champions | Hull Kingston Rovers |
| League leaders | Hull Kingston Rovers |
| Promotion and relegation | |
| Promoted from National League One | Hull Kingston Rovers |
| Relegated to National League Two | York City Knights Oldham |
| National League Two | |
| Champions | Dewsbury Rams |
| Promotion and relegation | |
| Promoted from National League Two | Dewsbury Rams Sheffield Eagles |
| National League Three | |
| Champions | Bramley Buffaloes |
The 2006 National Leagues (known as the LHF Healthplan National Leagues) are the second, third and fourth divisions of rugby league in the UK.
The League One and League Three Grand Finals, and the League Two Play-off final were played at Warrington's Halliwell Jones Stadium on 8 October 2006.