Members of the South Australian House of Assembly, 1989–1993

This is a list of members of the South Australian House of Assembly from 1989 to 1993, as elected at the 1989 state election:


 * The Liberal member for Custance, John Olsen, resigned on 6 May 1990 to take up a casual vacancy in the Australian Senate. Liberal candidate Ivan Venning won the resulting by-election on 23 June.
 * The member for Hartley, Terry Groom, was elected as a Labor member, but resigned from the party in 1991 after losing preselection to recontest his seat at the 1993 election.
 * The Liberal member for Alexandra, Ted Chapman, resigned on 11 March 1992. Liberal candidate Dean Brown won the resulting by-election on 9 May.
 * The Liberal member for Kavel, Roger Goldsworthy, resigned on 8 April 1992. Liberal candidate John Olsen won the resulting by-election on 9 May.
 * The member for Elizabeth, Martyn Evans, was elected as an independent, but joined the Labor Party in late 1993.