The 2010 South Australian state election elected members to the 52nd Parliament of South Australia on 20 March 2010. All seats in the House of Assembly or lower house, whose current members were elected at the 2006 election, and half the seats in the Legislative Council or upper house, last filled at the 2002 election, became vacant.

The state election for the 51st Parliament of South Australia was held in the Australian state of South Australia on 18 March 2006 to elect all members of the South Australian House of Assembly and 11 members of the South Australian Legislative Council. The election was conducted by the independent State Electoral Office.