| Competition: | Western Football League |
| Season: | 1970–71 |
| Winners: | Bideford |
| Prevseason: | 1969–70 |
| Nextseason: | 1971–72 |
The 1970–71 season was the 69th in the history of the Western Football League.
The champions for the second time in their history were Bideford.[1]
The league was reduced from twenty clubs to eighteen after Portland United, Weymouth Reserves and Yeovil Town Reserves left, and one new club joined: