This is a list of by-elections and scheduled by-elections for the South Australian House of Assembly.
A by-election may be held when a member's seat becomes vacant through resignation, death or some other reasons. These vacancies are called casual vacancies.
Gains for Labor are highlighted in red; for Liberal and its predecessors in blue; and others in grey.
2020–2029
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 55th | Black | 16 November 2024 | David Speirs | | Liberal | Alex Dighton | | Labor | Resignation | No |
| 55th | Dunstan | 23 March 2024 | Steven Marshall | | Liberal | Cressida O'Hanlon | | Labor | Resignation | No |
| 55th | Bragg | 2 July 2022 | Vickie Chapman | | Liberal | Jack Batty | | Liberal | Resignation | Yes |
2010–2019
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 54th | Cheltenham | 9 February 2019 | Jay Weatherill | | Labor | Joe Szakacs | | Labor | Resignation | Yes |
| 54th | Enfield | 9 February 2019 | John Rau | | Labor | Andrea Michaels | | Labor | Resignation | Yes |
| 53rd | Davenport | 31 January 2015 | Iain Evans | | Liberal | Sam Duluk | | Liberal | Resignation | Yes |
| 53rd | Fisher | 6 December 2014 | Bob Such | | Independent | Nat Cook | | Labor | Death | No |
| 52nd | Ramsay | 11 February 2012 | Mike Rann | | Labor | Zoe Bettison | | Labor | Resignation | Yes |
| 52nd | Port Adelaide | 11 February 2012 | Kevin Foley | | Labor | Susan Close | | Labor | Resignation | Yes |
2000–2009
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 51st | Frome | 17 January 2009 | Rob Kerin | | Liberal | Geoff Brock | | Independent | Resignation | No |
1990–1999
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 48th | Taylor | 5 November 1994 | Lynn Arnold | | Labor | Trish White | | Labor | Resignation | Yes |
| 48th | Torrens | 7 May 1994 | Joe Tiernan | | Liberal | Robyn Geraghty | | Labor | Death | No |
| 48th | Elizabeth | 9 April 1994 | Martyn Evans | | Labor | Lea Stevens | | Labor | Resignation (entered HoR) | Yes |
| 47th | Kavel | 9 May 1992 | Roger Goldsworthy | | Liberal | John Olsen | | Liberal | Resignation to provide Olsen a seat. | Yes |
| 47th | Alexandra | 9 May 1992 | Ted Chapman | | Liberal | Dean Brown | | Liberal | Resignation to provide Brown a seat. | Yes |
| 47th | Custance | 23 June 1990 | John Olsen | | Liberal | Ivan Venning | | Liberal | Resignation (entered Senate) | Yes |
1980–1989
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 45th | Elizabeth | 1 December 1984 | Peter Duncan | | Labor | Martyn Evans | | Independent Labor | Resignation (entered HoR) | No |
| 45th | Bragg | 14 May 1983 | David Tonkin | | Liberal | Graham Ingerson | | Liberal | Resignation | Yes |
| 44th | Florey | 4 September 1982 | Harold O'Neill | | Labor | Bob Gregory | | Labor | Resignation (ill health) | Yes |
| 44th | Mitcham | 8 May 1982 | Robin Millhouse | | Democrats | Heather Southcott | | Democrats | Resignation (Appointed to SA Supreme Court) | Yes |
| 44th | Norwood | 16 February 1980 | Frank Webster | | Liberal | Greg Crafter | | Labor | Unseated | No |
1970–1979
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 43rd | Norwood | 10 March 1979 | Don Dunstan | | Labor | Greg Crafter | | Labor | Resignation (ill health) | Yes |
| 41st | Goyder | 8 June 1974 | Steele Hall | | Liberal Movement | David Boundy | | Liberal Movement | Resignation (entered Senate) | Yes |
| 41st | Semaphore | 2 June 1973 | Reg Hurst | | Labor | Jack Olson | | Labor | Death | Yes |
| 40th | Adelaide | 3 July 1971 | Sam Lawn | | Labor | Jack Wright | | Labor | Death | Yes |
1960–1969
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 39th | Millicent | 22 June 1968 | Des Corcoran | | Labor | Des Corcoran | | Labor | Unseated | Yes |
| 37th | Semaphore | 3 October 1964 | Harold Tapping | | Labor | Reg Hurst | | Labor | Death | Yes |
| 37th | Stirling | 28 September 1963 | William Jenkins | | LCL | William McAnaney | | LCL | Death | Yes |
| 37th | Yorke Peninsula | 9 February 1963 | Cecil Hincks | | LCL | James Ferguson | | LCL | Death | Yes |
| 37th | Mount Gambier | 15 December 1962 | Ron Ralston | | Labor | Allan Burdon | | Labor | Death | Yes |
| 36th | Frome | 5 November 1960 | Mick O'Halloran | | Labor | Tom Casey | | Labor | Death | Yes |
| 36th | Light | 23 April 1960 | George Hambour | | LCL | Leslie Nicholson | | LCL | Death | Yes |
1950–1959
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 35th | Mount Gambier | 12 July 1958 | John Fletcher | | Independent | Ron Ralston | | Labor | Death | No |
| 35th | Wallaroo | 3 August 1957 | Leslie Heath | | LCL | Lloyd Hughes | | Labor | Death | No |
| 34th | Mitcham | 7 May 1955 | Henry Dunks | | LCL | Robin Millhouse | | LCL | Death | Yes |
| 33rd | Stirling | 18 October 1952 | Herbert Dunn | | LCL | William Jenkins | | LCL | Death | Yes |
| 33rd | Gawler | 19 April 1952 | Leslie Duncan | | Labor | John Clark | | Labor | Death | Yes |
| 33rd | Flinders | 2 June 1951 | Rex Pearson | | LCL | Glen Pearson | | LCL | Resignation (entered Senate) | Yes |
1940–1949
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 32nd | Rocky River | 26 February 1949 | John Lyons | | LCL | James Heaslip | | LCL | Death | Yes |
| 32nd | Alexandra | 19 June 1948 | Herbert Hudd | | LCL | David Brookman | | LCL | Death | Yes |
| 31st | Port Pirie | 19 October 1946 | Andrew Lacey | | Labor | Charles Davis | | Labor | Death | Yes |
| 31st | Semaphore | 5 October 1946 | Albert Thompson | | Labor | Harold Tapping | | Labor | Resignation (entered HoR) | Yes |
| 31st | Burnside | 22 June 1946 | Charles Abbott | | LCL | Geoffrey Clarke | | LCL | Resignation | Yes |
| 31st | Victoria | 29 September 1945 | Vernon Petherick | | LCL | Jim Corcoran | | Labor | Death | No |
| 30th | Gouger | 10 July 1943 | Albert Robinson | | Independent | Horace Bowden | | Labor | Death | No |
| 30th | Thebarton | 12 December 1942 | Jules Langdon | | Independent | Fred Walsh | | Labor | Death | No |
1930–1939
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 29th | Light | 21 January 1939 | Richard Layton Butler | | LCL | Herbert Michael | | LCL | Resignation (contested HoR) | Yes |
| 28th | Port Pirie | 3 March 1937 | John Fitzgerald | | Labor | William Threadgold | | Labor | Death | Yes |
| 28th | Wooroora | 29 September 1934 | Archie Cameron | | LCL | Albert Robinson | | Independent | Resignation (entered HoR) | No |
| 28th | Alexandra | 10 February 1934 | George Laffer | | LCL | George Connor | | Independent | Death | No |
| 28th | Barossa | 8 July 1933 | Herbert Basedow | | Independent | Reginald Rudall | | LCL | Death | No |
| 27th | Victoria | 5 March 1932 | Peter Reidy | | Liberal | Vernon Petherick | | Liberal | Death | Yes |
| 27th | Adelaide | 25 July 1931 | Bert Edwards | | Labor | Martin Collaton | | Lang Labor | Absent without leave | No |
1920–1929
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 26th | Port Adelaide | 2 July 1927 | Thomas Thompson | | Protestant Labor | Thomas Thompson | | Protestant Labor | Unseated | Yes |
| 25th | Adelaide | 21 September 1926 | John Gunn | | Labor | Herbert George | | Labor | Resignation | Yes |
| 25th | Stanley | 16 March 1926 | Henry Barwell | | Liberal | John Lyons | | Liberal | Resignation | Yes |
| 25th | Yorke Peninsula | 20 January 1926 | Peter Allen | | Liberal | Edward Giles | | Liberal | Death | Yes |
| 25th | East Torrens | 28 November 1925 | Harry Kneebone | | Labor | Walter Hamilton | | Liberal | Resignation (contested HoR) | No |
| 25th | Port Adelaide | 20 June 1925 | John Price | | Labor | John Stanley Verran | | Labor | Resignation | Yes |
| 25th | Barossa | 22 November 1924 | William Hague | | Liberal | Henry Crosby | | Liberal | Death | Yes |
| 24th | Alexandra | 20 January 1923 | George Ritchie | | Liberal | Percy Heggaton | | Liberal | Resignation | Yes |
| 23rd | Alexandra | 12 June 1920 | Archibald Peake | | Liberal | Herbert Hudd | | Liberal | Death | Yes |
1910–1919
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 22nd | Barossa | 2 June 1917 | Ephraim Coombe | | Labor | Henry Crosby | | Liberal | Death | No |
| 22nd | East Torrens | 12 May 1917 | Lionel Hill | | Labor | William Hamilton | | Liberal | Resignation (contested Senate) | No |
| 22nd | Adelaide | 12 May 1917 | John Gunn | | Labor | Bert Edwards | | Labor | Resignation (contested HoR) | Yes |
| 22nd | Newcastle | 12 May 1917 | Thomas Butterfield | | Labor | Edward Twopeny | | Liberal | Resignation (contested Senate) | No |
| 22nd | Alexandra | 19 June 1915 | Alexander McDonald | | Liberal | Archibald Peake | | Liberal | Resignation | Yes |
| 21st | Alexandra | 20 December 1913 | William Blacker | | Liberal | George Laffer | | Liberal | Death | Yes |
| 21st | Murray | 23 November 1912 | William Jamieson | | Liberal | Harry Dove Young | | Liberal | Death | Yes |
1900–1909
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained |
| 19th | Torrens | 3 July 1909 | Thomas Price | | Labor | Thomas Ryan | | Labor | Death | Yes |
| 19th | Wooroora | 13 February 1909 | Friedrich Wilhelm Paech | | ANL | Frederick William Young | | FPPU | Death | No |
| 19th | Northern Territory | 5 December 1908 | Vaiben Louis Solomon | | ANL | Thomas Crush | | Labor | Death | No |
| 19th | Adelaide | 20 June 1908 | Ernest Roberts | | Labor | Edward Alfred Anstey | | Labor | Resignation | Yes |
| 19th | Flinders | 18 May 1907 | Arthur Hugh Inkster | | LDU | Edgar Hampton Warren | | FPPU | Death | No |
| 19th | Stanley | 13 April 1907 | William Patrick Cummins | | LDU | Kossuth William Duncan | | FPPU | Death | No |
| 19th | Adelaide | 26 January 1907 | James Zimri Sellar | | Labor | Reginald Blundell | | Labor | Death | Yes |
| 18th | Murray | 23 June 1906 | Walter Hughes Duncan | | ANL | Hermann Homburg | | ANL | Death | Yes |
| 17th | Victoria and Albert | 25 June 1904 | Andrew Dods Handyside | | ANL | William Senior | | Labor | Death | No |
| 16th | Wallaroo | 22 June 1901 | Henry Allerdale Grainger | | | John Verran | | Labor | Resignation |
| 16th | Northern Territory | 15 June 1901 | Vaiben Louis Solomon | | | Samuel James Mitchell | | | Resignation (entered HoR) |
| 16th | Gumeracha | 8 June 1901 | Thomas Playford II | | | William Jamieson | | ANL | Resignation (entered Senate) |
| 16th | Flinders | 8 June 1901 | Alexander Poynton | | | William Tennant Mortlock | | | Resignation (entered HoR) |
| 16th | Burra | 8 June 1901 | Frederick Holder | | | William Russell | | | Resignation (entered HoR) |
| 16th | Barossa | 8 June 1901 | John Downer | | ANL | E. H. Coombe | | | Resignation (entered Senate) |
| 16th | North Adelaide | 1 June 1901 | Paddy Glynn | | | Hugh Robert Dixson | | | Resignation (entered HoR) |
| 16th | West Adelaide | 1 June 1901 | Lee Batchelor | | Labor | Francis Bernard Keogh | | | Resignation (entered HoR) |
| 16th | Northern Territory | 20 October 1900 | Walter Griffiths | | | Charles Edward Herbert | | ANL | Death |
| 16th | West Adelaide | 17 March 1900 | Charles Kingston | | | Bill Denny | | | Resignation |
1890–1899
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause |
| 16th | Encounter Bay | 29 July 1899 | Charles Tucker | | | Charles Tucker | | | Unseated |
| 15th | Mount Barker | 14 May 1898 | John Cockburn | | | Charles Dumas | | ANL | Resignation |
| 15th | East Adelaide | 22 January 1898 | John McPherson | | Labor | James Hutchison | | Labor | Death |
| 15th | Albert | 31 July 1897 | Archibald Peake | | | Archibald Peake | | | Unseated |
| 15th | Albert | 22 May 1897 | George Ash | | ANL | Archibald Peake | | | Death |
| 15th | North Adelaide | 22 May 1897 | Arthur Harrold | | ANL | Paddy Glynn | | ANL | Resignation |
| 15th | Stanley | 17 October 1896 | Peter Paul Gillen | | | William Patrick Cummins | | | Death |
| 15th | Gumeracha | 10 July 1896 | Charles Willcox | | ANL | William Richard Randell | | | Resignation |
| 14th | North Adelaide | 8 June 1895 | George Charles Hawker | | | Paddy Glynn | | NDL | Death |
| 14th | East Torrens | 19 May 1894 | Thomas Playford II | | | David Packham | | NDL | Appointment as Agent General |
| 13th | Noarlunga | 26 March 1892 | Charles Dashwood | | | William Blacker | | | Death |
| 13th | East Adelaide | 23 January 1892 | John Cox Bray | | | John McPherson | | Labor | Resignation |
| 13th | Northern Territory | 23 May 1891 | Vaiben Louis Solomon | | | Vaiben Louis Solomon | | | Resignation |
| 13th | Wallaroo | 23 May 1891 | David Bews | | | Richard Hooper | | Independent Labor | Death |
| 13th | Wooroora | 25 February 1891 | Hugh Craine Kelly | | | Robert Kelly | | | Death |
| 13th | Yatala | 13 August 1890 | James Cowan | | | Richard Butler | | | Death |
1880–1889
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause |
| 12th | Stanley | 25 June 1889 | Edward William Hawker | | | Peter Paul Gillen | | | Resignation |
| 12th | Victoria | 1 November 1888 | Daniel Livingston | | | John James Osman | | | Death |
| 12th | Gumeracha | 12 May 1888 | Robert Dalrymple Ross | | | Lancelot Stirling | | | Death |
| 11th | East Adelaide | 31 May 1886 | George Dutton Green | | | Theodor Scherk | | | Resignation |
| 11th | Albert | 8 February 1886 | Arthur Hardy | | | Arthur Hardy | | | Resignation |
| 11th | Sturt | 17 July 1885 | Thomas King | | | Samuel Dening Glyde | | | Resignation |
| 11th | Stanley | 15 May 1885 | John Miller | | | John Darling, senior | | | Resignation |
| 11th | Wallaroo | 16 February 1885 | Henry Allerdale Grainger | | | David Bews | | | Resignation |
| 11th | Albert | 5 January 1885 | Rudolph Henning | | | Andrew Dods Handyside | | | Death |
| 10th | Victoria | 15 June 1883 | George Charles Hawker | | | William Whinham | | | Resignation |
| 10th | Flinders | 1 December 1882 | Ebenezer Cooke | | | Patrick Boyce Coglin | | | Resignation |
| 10th | Sturt | 13 November 1882 | William Townsend | | | Thomas King | | | Resignation |
| 10th | Onkaparinga | 15 June 1882 | Friedrich Krichauff | | | Rowland Rees | | | Resignation |
| 10th | Yatala | 6 September 1881 | David Murray | | | Josiah Howell Bagster | | | Resignation |
| 10th | Yatala | 13 July 1881 | David Murray | | | David Murray | | | Unseated |
| 10th | East Adelaide | 17 June 1881 | George Fowler | | | Thomas Johnson | | | Resignation |
| 9th | Port Adelaide | 27 July 1880 | William Quin | | | John Hart Jr. | | | Resignation |
| 9th | Gumeracha | 24 April 1880 | Ebenezer Ward | | | John Rounsevell | | | Resignation |
| 9th | Noarlunga | 6 January 1880 | John Carr | | | John Colton | | | Resignation |
1870–1879
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause |
| 9th | North Adelaide | 16 December 1878 | Neville Blyth | | | Caleb Peacock | | | Resignation |
| Encounter Bay | 10 October 1878 | James Boucaut | | | William West-Erskine | | | Resignation |
| Noarlunga | 14 September 1878 | John Colton | | | Thomas Atkinson | | | Resignation |
| Light | 12 June 1878 | Frank Skeffington Carroll | | | David Moody | | | Resignation |
| 8th | Victoria | 17 May 1877 | John Ingleby | | | Lavington Glyde | | | Resignation |
| East Torrens | 27 March 1877 | Edwin Thomas Smith | | | David Murray | | | Resignation |
| North Adelaide | 14 March 1877 | Arthur Blyth | | | Neville Blyth | | | Accepted office outside parliament |
| West Torrens | 27 September 1876 | Benjamin Taylor | | | John Mitchell Sinclair | | | Resignation |
| West Adelaide | 21 June 1876 | William Knox Simms | | | John Darling Sr. | | | Resignation |
| Barossa | 20 May 1876 | John Howard Angas | | | M. P. F. Basedow | | | Resignation |
| Mount Barker | 1 May 1876 | William West-Erskine | | | | | | Resignation |
| Sturt | 14 April 1876 | Samuel Way | | | Thomas King | | | Resignation |
| Wooroora | 7 August 1875 | James Pearce | | | John Bosworth | | | Resignation |
| Albert | 12 July 1875 | Mountifort Conner | | | William Wigley | | | Resignation |
| Barossa | 9 June 1875 | Johann Sudholz | | | John Dunn Jr. | | | Unseated |
| Wallaroo | 4 June 1875 | Matthew Madge | | | Robert Dalrymple Ross | | | Unseated |
| Yatala | 17 May 1875 | Lavington Glyde | | | Thomas Cowan | | | Resignation |
| Wentworth Cavenagh | | | Wentworth Cavenagh | | | Resignation |
| Light | 17 May 1875 | Randolph Isham Stow | | | Jenkin Coles | | | Resignation |
| 7th | The Sturt | 7 September 1874 | John Henry Barrow | | | William Mair | | | Death |
| Light | 18 September 1873 | Mountifort Conner | | | Randolph Isham Stow | | | Resignation |
| Encounter Bay | 5 September 1873 | Thomas Reynolds | | | Arthur Fydell Lindsay | | | Resignation |
| Victoria | 17 June 1873 | Edwin Derrington | | | Thomas Boothby | | | Resignation |
| Victoria | 29 May 1873 | John Riddoch | | | Park Laurie | | | Resignation |
| The Burra | 3 April 1873 | John Hart | | | Rowland Rees | | | Death |
| Encounter Bay | 29 February 1872 | William Everard | | | William Rogers | | | Unseated |
| Encounter Bay | 29 February 1872 | Thomas Reynolds | | | Thomas Reynolds | | | Unseated |
| 6th | Victoria | 24 August 1871 | William Paltridge | | | Neville Blyth | | | Resignation |
| Light | 12 August 1871 | Edward Hamilton | | | James White | | | Resignation |
| West Torrens | 10 August 1871 | Henry Strangways | | | James Boucaut | | | Resignation |
| 5th | West Torrens | 10 February 1870 | George Bean | | | John Pickering | | | Declared Vacant |
| The Sturt | 10 February 1870 | Richard Bullock Andrews | | | Frederick Spicer | | | Resignation |
1857–1869
| Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause |
| 5th | Mount Barker | 5 November 1868 | John Dunn | | | William Rogers | | | Unseated |
| 5th | Mount Barker | 3 September 1868 | William Rogers | | | John Dunn | | | Unseated |
| 5th | Mount Barker | 3 September 1868 | John Cheriton | | | John Cheriton | | | Unseated |
| 4th | The Sturt | 14 August 1867 | Joseph Peacock | | | Alexander Murray | | | Death |
| 4th | East Torrens | 22 July 1867 | Neville Blyth | | | Daniel Fisher | | | Resignation |
| 4th | Gumeracha | 15 July 1867 | Alexander Borthwick Murray | | | Alexander Hay | | | Resignation |
| 4th | Victoria | 13 December 1866 | Adam Lindsay Gordon | | | James Umpherston | | | Resignation |
| 4th | East Torrens | 3 December 1866 | Charles Goode | | | Randolph Isham Stow | | | Resignation |
| 4th | Flinders | 20 October 1866 | Alfred Watts | | | Augustine Stow | | | Resignation |
| 4th | The Burra | 15 October 1866 | George Cole | | | Alexander McCulloch | | | Resignation |
| 4th | Port Adelaide | 29 June 1866 | John Hart | | | Jacob Smith | | | Resignation |
| 4th | Light | 27 November 1865 | John Rounsevell | | | John Rounsevell | | | Unseated |
| 4th | Light | 12 October 1865 | Francis Dutton | | | John Rounsevell | | | Accepted office |
| 3rd | East Adelaide | 5 November 1864 | William Bakewell | | | Thomas Reynolds | | | Resignation |
| 3rd | Mount Barker | 8 June 1864 | Allan McFarlane | | | William Rogers | | | Death |
| 3rd | Barossa | 8 June 1864 | Joseph Barritt | | | John Williams | | | Resignation |
| 2nd | Light | 8 May 1862 | Francis Dutton | | | John Rowe | | | Resignation |
| 2nd | The Burra and Clare | 8 May 1862 | William Dale | | | John Bentham Neales | | | Resignation |
| 2nd | Port Adelaide | 8 May 1862 | William Owen | | | John Hart | | | Resignation |
| 2nd | The Murray | 8 May 1862 | David Wark | | | Allan McFarlane | | | Death |
| 2nd | Gumeracha | 8 May 1862 | Alexander Hay | | | Alexander Murray | | | Resignation |
| 2nd | City of Adelaide | 2 May 1862 | Thomas Reynolds | | | Thomas Reynolds | | | Resignation |
| 2nd | City of Adelaide | 9 December 1861 | Richard Hanson | | | James Boucaut | | | Resignation |
| 2nd | The Burra and Clare | 6 May 1861 | William Lennon | | | George Kingston | | | Insolvent |
| 2nd | West Torrens | 30 April 1861 | George Morphett | | | Randolph Isham Stow | | | Resignation |
| 1st | City of Adelaide | 13 May 1859 | William Henville Burford | | | William Owen | | | Resignation |
| 1st | Port Adelaide | 11 October 1858 | John Hughes | | | Edward Collinson | | | Resignation |
| 1st | Mount Barker | 16 September 1858 | Friedrich Krichauff | | | William Rogers | | | Resignation |
| 1st | City of Adelaide | 16 September 1858 | Robert Torrens | | | Judah Solomon | | | Resignation |
| 1st | The Burra and Clare | 9 September 1858 | Morris Marks | | | Edward McEllister | | | Resignation |
| 1st | Light | 9 September 1858 | William Maturin | | | David Shannon | | | Resignation |
| 1st | East Torrens | 6 April 1858 | Charles Bonney | | | John Henry Barrow | | | Resignation |
| 1st | Light | 8 February 1858 | Carrington Smedley | | | William Maturin | | | Resignation |
| 1st | Encounter Bay | 15 January 1858 | Benjamin Babbage | | | Henry Strangways | | | Resignation |
| 1st | Victoria | 5 January 1858 | Robert Leake | | | George Charles Hawker | | | Resignation |
| 1st | Onkaparinga | 23 December 1857 | William Dawes | | | William Townsend | | | Resignation |
| 1st | East Torrens | 6 October 1857 | George Waterhouse | | | Lavington Glyde | | | Resignation |
| 1st | Yatala | 5 June 1857 | Charles Simeon Hare | | | Richard Andrews | | | Resignation |
| 1st | Barossa | 1 June 1857 | Horace Dean | | | William Bakewell | | | Unseated |
See also