The 1968 South Australian State election was held in South Australia on 2 March 1968. All 39 seats in the South Australian House of Assembly were up for election; 38 of the 39 contests were won by candidates from Australia's two major political parties. The incumbent Labor Party South Australia led by Premier of South Australia Don Dunstan and the Liberal and Country League led by Leader of the Opposition Steele Hall) both won 19 seats. The sole independent candidate to win a race, Tom Stott of the Ridley electorate, joined with the LCL's 19 seats to form a coalition government that held a 20 to 19 majority, thus defeating the Dunstan Labor government.

The House of Assembly, or lower house; Is one of the two chambers of the Parliament of South Australia. The other is the Legislative Council. It sits in Parliament House in the state capital, Adelaide.