This is a list of members of the South Australian House of Assembly from 1989 to 1993, as elected at the 1989 state election:
| Name | Party | Electorate | Term of office |
|---|---|---|---|
| Hon Harold Allison | Liberal | Mount Gambier | 1975–1997 |
| Dr Michael Armitage | Liberal | Adelaide | 1989–2002 |
| Hon Peter Arnold | Liberal | Chaffey | 1968–1970, 1973–1993 |
| Hon Lynn Arnold | Labor | Ramsay | 1979–1994 |
| Michael Atkinson | Labor | Spence | 1989–2018 |
| Dale Baker | Liberal | Victoria | 1985–1997 |
| Stephen Baker | Liberal | Mitcham | 1982–1997 |
| Hon John Bannon | Labor | Ross Smith | 1977–1993 |
| Heini Becker | Liberal | Hanson | 1970–1997 |
| Peter Blacker | National | Flinders | 1973–1993 |
| Frank Blevins | Labor | Giles | 1985–1997 |
| Mark Brindal | Liberal | Hayward | 1989–2006 |
| Hon Dean Brown [3] | Liberal | Alexandra | 1973–1985, 1992–2006 |
| Hon Jennifer Cashmore | Liberal | Coles | 1977–1993 |
| Hon Ted Chapman [3] | Liberal | Alexandra | 1973–1992 |
| Greg Crafter | Labor | Norwood | 1979, 1980–1993 |
| Murray De Laine | Labor | Price | 1985–2002 |
| Hon Bruce Eastick | Liberal | Light | 1970–1993 |
| Martyn Evans | Independent/Labor [5] | Elizabeth | 1984–1994 |
| Stan Evans | Liberal | Davenport | 1968–1993 |
| Don Ferguson | Labor | Henley Beach | 1982–1993 |
| Roger Goldsworthy [4] | Liberal | Kavel | 1970–1992 |
| Bob Gregory | Labor | Florey | 1982–1993 |
| Terry Groom | Labor/Independent [2] | Hartley | 1977–1979, 1982–1993 |
| Graham Gunn | Liberal | Eyre | 1970–2010 |
| Kevin Hamilton | Labor | Albert Park | 1979–1993 |
| Terry Hemmings | Labor | Napier | 1977–1993 |
| Vic Heron | Labor | Peake | 1989–1993 |
| Paul Holloway | Labor | Mitchell | 1989–1993 |
| Hon Dr Don Hopgood | Labor | Baudin | 1970–1993 |
| Colleen Hutchison | Labor | Stuart | 1989–1993 |
| Graham Ingerson | Liberal | Bragg | 1983–2002 |
| John Klunder | Labor | Todd | 1977–1979, 1982–1993 |
| Dorothy Kotz | Liberal | Newland | 1989–2006 |
| Susan Lenehan | Labor | Mawson | 1982–1993 |
| Peter Lewis | Liberal | Murray-Mallee | 1979–2006 |
| Wayne Matthew | Liberal | Bright | 1989–2006 |
| Kym Mayes | Labor | Unley | 1982–1993 |
| Colin McKee | Labor | Gilles | 1989–1993 |
| John Meier | Liberal | Goyder | 1982–2006 |
| John Olsen [1][4] | Liberal | Custance/Kavel [1][4] | 1979–1990, 1992–2002 |
| John Oswald | Liberal | Morphett | 1979–2002 |
| Norm Peterson | Independent | Semaphore | 1979–1993 |
| John Quirke | Labor | Playford | 1989–1997 |
| Mike Rann | Labor | Briggs | 1985–2012 |
| Bob Such | Liberal | Fisher | 1989–2014 |
| John Trainer | Labor | Walsh | 1979–1993 |
| Ivan Venning [1] | Liberal | Custance | 1990–2014 |
| Hon David Wotton | Liberal | Heysen | 1975–2002 |
- 1 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.
- 2 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.
- 3 The Liberal member for Alexandra, Ted Chapman, resigned on 11 March 1992. Liberal candidate Dean Brown won the resulting by-election on 9 May.
- 4 The Liberal member for Kavel, Roger Goldsworthy, resigned on 8 April 1992. Liberal candidate John Olsen won the resulting by-election on 9 May.
- 5 The member for Elizabeth, Martyn Evans, was elected as an independent, but joined the Labor Party in late 1993.