Regional 1 North West
| Current season or competition: 2024–25 Regional 1 North West | |
| Sport | Rugby union |
|---|---|
| Instituted | 2022 |
| Number of teams | 12 |
| Country | England |
| Holders | Rossendale (2024–25) |
| Most titles | Lymm, Macclesfield, Rossendale (1 title) |
| Website | Northern Division |
Regional 1 North West is a level five league in the English rugby union system, with the twelve teams drawn from across North West England. The other level five leagues are Regional 1 Midlands, Regional 1 North East, Regional 1 South Central, Regional 1 South East and Regional 1 South West.
Rossendale are the current champions and are promoted to National League 2 North.