The 2011–12 Western Football League season (known as the 2011–12 Toolstation Western Football League for sponsorship reasons) was the 110th in the history of the Western Football League, a football competition in England. Teams were divided into two divisions; the Premier and the First. The league champions for the first time in their history were Merthyr Town, who were promoted to the Southern League. The champions of Division One were Cadbury Heath.