| Competition: | Western Football League |
| Season: | 1930–31 |
| Winners: | Exeter City Reserves (Division One) Portland United (Division Two) |
| Prevseason: | 1929–30 |
| Nextseason: | 1931–32 |
The 1930–31 season was the 34th in the history of the Western Football League.
The Division One champions for the first time in their history were Exeter City Reserves. The winners of Division Two were Portland United. There was again no promotion or relegation between the two divisions this season.[1]
Division One was reduced from eight to seven clubs after Bath City left the league.
Division Two was increased from ten to seventeen clubs after seven new clubs joined: