This is a list of members of the South Australian House of Assembly from 1887 to 1890, as elected at the 1887 colonial election:[1]
| Name | Electorate | Term of office |
| Josiah Howell Bagster | Yatala | 1881–1890 |
| Harry Bartlett | Yorke Peninsula | 1887–1896 |
| M. P. F. Basedow | Barossa | 1878–1901 |
| David Bews | Wallaroo | 1885–1891 |
| Hon John Cox Bray | East Adelaide | 1871–1892 |
| Thomas Burgoyne | Newcastle | 1884–1915 |
| Robert Caldwell | Yorke Peninsula | 1884–1902 |
| John William Castine | Wooroora | 1884–1902 |
| Hon Alfred Catt | Gladstone | 1881–1906 |
| John Cockburn | Mount Barker | 1884–1898 |
| Lewis Cohen | North Adelaide | 1887–1893, 1902–1906 |
| Jenkin Coles | Light | 1875–1878, 1881–1911 |
| Charles Dashwood | Noarlunga | 1887–1892 |
| Henry Edward Downer | Encounter Bay | 1881–1896 |
| Hon Sir John Downer | Barossa | 1878–1901 |
| John Duncan | Wooroora | 1871–1878, 1884–1890 |
| Luke Furner | Wallaroo | 1878–1890 |
| William Gilbert | Yatala | 1881–1906 |
| Clement Giles | Frome | 1887–1902 |
| Peter Paul Gillen [3] | Stanley | 1889–1896 |
| Paddy Glynn | Light | 1887–1890, 1895–1896, 1897–1901 |
| Benjamin Gould | West Torrens | 1887–1893 |
| Lawrence Grayson | West Adelaide | 1887–1893 |
| Andrew Dods Handyside | Albert | 1885–1904 |
| Edward William Hawker [3] | Stanley | 1884–1889, 1893–1886 |
| Hon George Charles Hawker | North Adelaide | 1858–1865, 1875–1883, 1884–1895 |
| Frederick Holder | Burra | 1887–1901 |
| Robert Homburg | Gumeracha | 1884–1905 |
| George Feltham Hopkins | Port Adelaide | 1887–1893 |
| William Horn | Flinders | 1887–1893 |
| James Henderson Howe | Gladstone | 1881–1896 |
| Charles Henry Hussey | Encounter Bay | 1887–1890 |
| John Jenkins | Sturt | 1887–1905 |
| Frank Johnson | Onkaparinga | 1884–1896 |
| Charles Kimber | Stanley | 1887–1890 |
| Hon Charles Kingston | West Adelaide | 1881–1900 |
| Friedrich Krichauff | Victoria | 1857–1858, 1870–1882, 1884–1890 |
| Albert Henry Landseer | Mount Barker | 1875–1899 |
| Daniel Livingston [2] | Victoria | 1887–1888 |
| William Mattinson | Port Adelaide | 1881–1890 |
| Alexander McDonald | Noarlunga | 1887–1915 |
| Beaumont Arnold Moulden | Albert | 1887–1890 |
| John Moule | Flinders | 1884–1896 |
| Benjamin Nash | West Torrens | 1887–1893 |
| John James Osman [2] | Victoria | 1888–1893 |
| Hon Thomas Playford | Newcastle | 1868–1871, 1875–1894, 1899–1901 |
| Rowland Rees | Onkaparinga | 1873–1881, 1882–1890 |
| Robert Dalrymple Ross [1] | Gumeracha | 1875–1884, 1884–1887 |
| Ben Rounsevell | Burra | 1875–1893, 1899–1906 |
| Theodor Scherk | East Adelaide | 1886–1905 |
| Sir Edwin Thomas Smith | East Torrens | 1871–1877, 1878–1893 |
| Saul Solomon | East Torrens | 1887–1890 |
| Lancelot Stirling [1] | Gumeracha | 1881–1887, 1888–1890 |
| William Frederick Stock | Sturt | 1887–1893 |
| Ebenezer Ward | Frome | 1870–1880, 1881–1890 |
- 1 Gumeracha MHA Robert Dalrymple Ross died on 27 December 1887. Lancelot Stirling won the resulting by-election on 12 May 1888.
- 2 Victoria MHA Daniel Livingston died on 30 September 1888. John James Osman won the resulting by-election on 1 November.
- 3 Stanley MHA Edward William Hawker resigned on 28 May 1889. Peter Paul Gillen won the resulting by-election on 25 June.
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