This is a list of members of the third parliament of the South Australian House of Assembly, which sat from 27 February 1863 until 25 January 1865. The members were elected at the November 1862 colonial election.
| Name | Electorate | Term in Office |
|---|---|---|
| Richard Andrews | The Sturt | 1857–1860, 1862–1870 |
| John Bagot | Light | 1857–1865 |
| William Bakewell [3] | East Adelaide | 1857–1860, 1862–1864 |
| Joseph Barritt [1] | Barossa | 1862–1864 |
| Arthur Blyth | Gumeracha | 1857–1868, 1870–1877 |
| Neville Blyth | East Torrens | 1860–1867, 1868–1870, 1871, 1877–1878 |
| Wentworth Cavenagh | Yatala | 1862–1875, 1875–1881 |
| Patrick Coglin | Port Adelaide | 1860–1868, 1870–1871, 1875–1881, 1882–1887 |
| George William Cole | The Burra | 1860–1866 |
| John Colton | Noarlunga | 1862–1870, 1875–1878, 1880–1887 |
| Walter Duffield | Barossa | 1857–1868, 1870–1871 |
| John Dunn | Mount Barker | 1857–1868, 1868 |
| Francis Dutton | Light | 1857–1862, 1862–1865 |
| Lavington Glyde | Yatala | 1857–1875, 1877–1884 |
| John Hart | Port Adelaide | 1857–1859, 1862–1866, 1868–1873 |
| George Charles Hawker | Victoria | 1858–1865, 1875–1883, 1884–1895 |
| Charles Thomas Hewett | Noarlunga | 1862–1865 |
| George Kingston | Stanley | 1857–1860, 1861–1880 |
| Charles Lindsay | Flinders | 1862–1865 |
| John Lindsay | Encounter Bay | 1860–1865, 1870–1871 |
| Allan McFarlane [2] | The Murray Mount Barker |
1862 1862–1864 |
| Henry Mildred | East Torrens | 1857–1865 |
| William Milne | Onkaparinga | 1857–1868 |
| Alexander Borthwick Murray | Gumeracha | 1862–1867 |
| John Bentham Neales | The Burra | 1857–1860, 1862–1870 |
| Joseph Peacock | The Sturt | 1860–1867 |
| Thomas Reynolds [3] | East Adelaide | 1857–1862, 1862, 1864–1870, 1871–1872, 1872–1873 |
| William Rogers [2] | Mount Barker | 1858–1860, 1864–1865, 1868, 1868–1870, 1872–1875 |
| Philip Santo | East Adelaide | 1860–1870 |
| Emanuel Solomon | West Adelaide | 1862–1865 |
| Augustine Stow | West Torrens | 1862–1865, 1866–1868 |
| Randolph Isham Stow | Victoria | 1861–1865, 1866–1868, 1873–1875 |
| Henry Strangways | West Torrens | 1858–1871 |
| David Sutherland | Encounter Bay | 1860–1862, 1862–1868 |
| William Townsend | Onkaparinga | 1857–1882 |
| James Verco | West Adelaide | 1862–1865 |
| Alfred Watts | Flinders | 1862–1866, 1868–1875 |
| John Williams [1] | Barossa | 1864–1868, 1875–1878 |
| George Young | Stanley | 1862–1865 |
- 1 Barossa MHA Joseph Barritt resigned on 1 March 1864. John Williams won the resulting by-election on 8 June.
- 2 Seat of The Murray subsumed in Mount Barker 1863; Allan McFarlane MHA died on 11 March 1864. William Rogers won the resulting by-election on 8 June.
- 3 East Adelaide MHA William Bakewell resigned on 27 October 1864. Thomas Reynolds won the resulting by-election on 5 November.