The Shikoku proportional representation block was one of 11 multi-member districts (and 311 districts overall) that were contested at the general election for the House of Representatives in the Japanese National Diet on 16 December 2012. Six seats were available for election via open party lists. The Liberal Democratic Party (LDP) won the election in a landslide, which returned former Prime Minister Shinzo Abe to power. In the Shikoku PR block, the LDP won two of the six seats with 30.7% of the vote.