State elections were held in South Australia on 10 February 1912. All 40 seats in the South Australian House of Assembly were up for election. The incumbent United Labor Party government led by Premier of South Australia John Verran was defeated by the opposition Liberal Union led by Leader of the Opposition Archibald Peake. Each of the 13 districts elected multiple members, with voters casting multiple votes.

+House of Assembly (FPTP) — Turnout 71.9% (Non-CV) — Informal 1.4%   Party Votes % Swing Seats Change   Liberal Union 278,277 51.41 +1.83 24 +4   United Labor Party 253,163 46.77 -2.32 16 -6   Independent 9,817 1.81 +0.49 0 0   Total 541,257     40 -2   Liberal Union Win 24 +4   United Labor Party 16 -6

See also Members of the South Australian House of Assembly, 1912-1915 Members of the South Australian Legislative Council, 1912–1915

References History of South Australian elections 1857-2006, volume 1: ECSA State and federal election results in Australia since 1890

External links The 13 electorates from 1902 to 1915: The Adelaide Chronicle