The 2022 South Australian state election was held on 19 March 2022 to elect members to the 55th Parliament of South Australia. All 47 seats in the House of Assembly, and half the seats in the Legislative Council were up for re-election.

The Parliament of South Australia is the bicameral legislature of the Australian state of South Australia. It consists of the 47-seat House of Assembly and the 22-seat Legislative Council. General elections are held every 4 years, with all of the lower house and half of the upper house filled at each election. It follows a Westminster system of parliamentary government with the executive branch required to both sit in parliament and hold the confidence of the House of Assembly. The parliament is based at Parliament House on North Terrace in the state capital of Adelaide.