# Members of the New South Wales Legislative Assembly, 1856–1858

Members of the New South Wales Legislative Assembly who served in the first parliament of New South Wales held their seats from 1856 to 1858. The Speaker was Sir Daniel Cooper.
| Name | Electorate | Years in office |
| Arnold, William MunningsWilliam Arnold | Durham | 1856–1875 |
| Barker, ThomasThomas Barker | Gloucester and Macquarie | 1856–1858 |
| Bowman, WilliamWilliam Bowman | Cumberland Boroughs | 1856–1858 |
| Brenan, RyanRyan Brenan | Cumberland (South Riding) | 1856 |
| Buckley, HenryHenry Buckley | Stanley County | 1856–1859 |
| Byrnes, JamesJames Byrnes | Cumberland (South Riding) | 1857–1861, 1864–1872 |
| Campbell, JohnJohn Campbell | Sydney Hamlets | 1856–1860 |
| Campbell, RobertRobert Campbell | Sydney City | 1856–1859 |
| Cooper, DanielSir Daniel Cooper | Sydney Hamlets | 1856–1860 |
| Cowper, CharlesCharles Cowper | Sydney City | 1856–1859, 1860–1867, 1869–1870 |
| Cox, GeorgeGeorge Cox | Wellington (County) | 1856–1859 |
| Dalley, William BedeWilliam Dalley | Sydney City | 1856–1857, 1858–1860, 1862–1864 |
| Darvall, JohnJohn Darvall | Cumberland (North Riding) | 1856–1857, 1859–1860, 1863–1865 |
| Deniehy, DanielDaniel Deniehy | Argyle | 1857–1859, 1860 |
| Dickson, JamesJames Dickson | Northumberland Boroughs | 1857–1859, 1859–1863 |
| Donaldson, StuartStuart Donaldson | Sydney Hamlets, Cumberland (South Riding) | 1856, 1856–1859 |
| Egan, DanielDaniel Egan | Maneroo | 1856–1869, 1870 |
| Faucett, PeterPeter Faucett | King and Georgiana | 1856–1859, 1860, 1861–1865 |
| Flood, EdwardEdward Flood | North Eastern Boroughs | 1856–1860, 1869–1872 |
| Forster, WilliamWilliam Forster | United Counties of Murray and St Vincent | 1856–1860, 1861–1864, 1864–1869, 1869–1874, 1875–1876, 1880–1882 |
| Garland, JamesJames Garland | Lachlan and Lower Darling | 1856–1858 |
| Gordon, SamuelSamuel Gordon | Durham | 1856–1859, 1859–1860 |
| Hargrave, RichardRichard Hargrave | New England and Macleay | 1856–1858 |
| Hay, JohnJohn Hay | Murrumbidgee | 1856–1867 |
| Hely, HovendenHovenden Hely | Northumberland and Hunter | 1856–1858 |
| Holroyd, ArthurArthur Holroyd | Western Boroughs | 1856–1858 , 1861–1864 |
| Holt, ThomasThomas Holt | Stanley Boroughs | 1856–1858 , 1861–1864 |
| Irving, ClarkClark Irving | Clarence and Darling Downs | 1856–1858 , 1859–1864 |
| Jamison, RobertRobert Jamison | Cook and Westmoreland | 1856–1860 |
| Jones, RichardRichard Jones | Durham | 1856–1860 |
| Lang, GideonGideon Lang | Liverpool Plains and Gwydir | 1856–1858 |
| Lee, WilliamWilliam Lee | Roxburgh | 1856–1859 |
| Leslie, PatrickPatrick Leslie | Moreton, Wide Bay, Burnett and Maranoa | 1857–1858 |
| Lord, GeorgeGeorge Lord | Wellington and Bligh | 1856–1877 |
| Macarthur, JamesJames Macarthur | Western Division of Camden | 1856, 1856–1859 |
| Macleay, GeorgeGeorge Macleay | Murrumbidgee | 1856–1859 |
| Macleay, William JohnWilliam Macleay | Lachlan and Lower Darling | 1856–1874 |
| Manning, William MontaguWilliam Manning | Cumberland (South Riding) | 1856–1857 |
| Marks, JohnJohn Marks | Eastern Division of Camden | 1856–1859 |
| Martin, JamesJames Martin | Cook and Westmoreland | 1856–1860, 1862–1863, 1863–1864, 1864–1872, 1872–1873 |
| Murray, Terence AubreyTerence Murray | Southern Boroughs | 1856–1862 |
| Nichols, BobBob Nichols | Northumberland Boroughs | 1856–1857 |
| Oakes, GeorgeGeorge Oakes | Parramatta | 1856–1860, 1872–1874 |
| Osborne, HenryHenry Osborne | Eastern Division of Camden | 1856–1858 |
| Oxley, John NortonJohn Oxley | Western Division of Camden | 1856–1858 |
| Parker, HenryHenry Parker | Parramatta | 1856–1858 |
| Parkes, HenryHenry Parkes | Sydney City | 1856, 1858, 1859–1861, 1864–1870, 1870, 1872–1877, 1877–1882, 1882–1884, 1885–1887, 1887–1895 |
| Piddington, WilliamWilliam Piddington | Northumberland and Hunter | 1856–1877 |
| Plunkett, JohnJohn Plunkett | Argyle, Bathurst County | 1856–1857, 1858–1860 |
| Pye, JamesJames Pye | Cumberland (North Riding) | 1856–1858 |
| Richardson, JohnJohn Richardson | Stanley Boroughs | 1856–1859 |
| Robertson, JohnJohn Robertson | Phillip, Brisbane and Bligh | 1856–1861, 1862–1865, 1865–1866, 1866–1870, 1870–1877, 1877–1878, 1882–1886 |
| Rusden, FrancisFrancis Rusden | Liverpool Plains and Gwydir | 1856–1858 , 1860–1864 |
| Rusden, ThomasThomas Rusden | New England and Macleay | 1856–1858 |
| Russell, BournBourn Russell | Northumberland Boroughs | 1856 |
| Sandeman, GordonGordon Sandeman | Moreton, Wide Bay, Burnett and Maranoa | 1856–1857 |
| Scott, Alexander WalkerAlexander Scott | Northumberland and Hunter | 1856–1860, 1860–1861 |
| Smith, Thomas WhistlerThomas Smith | Cumberland (North Riding) | 1857–1859 |
| Suttor, William HenryWilliam Suttor | Bathurst County | 1856–1859, 1860–1864, 1866–1872 |
| Thompson, JamesJames Thompson | St Vincent | 1856–1858 |
| Weekes, EliasElias Weekes | Cumberland (South Riding), Northumberland Boroughs | 1856–1864 |
| Wilshire, James RobertJames Wilshire | Sydney City | 1856–1858 |