The 1911–12 season was the 20th in the history of the Western Football League.
The league champions this season were Welton Rovers, the first time that the club had won the league.Robinson, Michael (ed.), Non-League Football Tables 1889–2006, Soccer Books, 2006
Final table Two new clubs joined the league, and the number of clubs increased from 10 to 11 clubs, after Bristol City Reserves left the league. Peasedown St John Street
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