| Image | Member | Party | State | Term expiry | Term start | Term end | Portfolio | Notes | 
|  |   | Sir Richard Baker (1842–1911)
 | Free Trade | South Australia | 31 December 1906 | 30 March 1901 | 31 December 1906 |  | Previously a member of the South Australian Legislative Council. Retired | 
|  |   | John Barrett (1858–1928)
 | Labour | Victoria | 31 December 1903 | 29 March 1901 | 1903 |  | Previously held the Victorian Legislative Assembly seat of Carlton South. Lost seat | 
|  | Protectionist | 1903 | 31 December 1903 | 
|  |   | Robert Best (1856–1946)
 | Protectionist | Victoria | 31 December 1903 | 29 March 1901 | 30 June 1910 |  | Previously held the Victorian Legislative Assembly seat of Fitzroy. Re-elected | 
|  | .jpg)  | Cyril Cameron (1857–1941)
 | Protectionist | Tasmania | 31 December 1903 | 29 March 1901 | 31 December 1903 |  | Lost seat. Later re-elected to the Senate in 1906 | 
|  |   | David Charleston (1848–1934)
 | Free Trade | South Australia | 31 December 1903 | 30 March 1901 | 31 December 1903 |  | Previously a member of the South Australian Legislative Council. Lost seat | 
|  | .jpg)  | John Clemons (1862–1944)
 | Free Trade | Tasmania | 31 December 1906 | 29 March 1901 | 5 September 1914 |  | Re-elected | 
|  | .jpg)  | Anderson Dawson (1863–1910)
 | Labour | Queensland | 31 December 1906 | 30 March 1901 | 31 December 1906 |  | Previously held the Queensland Legislative Assembly seat of Charters Towers. Lost seat | 
|  | .jpg)  | Hugh de Largie (1859–1947)
 | Labour | Western Australia | 31 December 1903 | 29 March 1901 | 30 June 1923 |  | Re-elected | 
|  | .jpg)  | Henry Dobson (1841–1918)
 | Free Trade | Tasmania | 31 December 1903 | 29 March 1901 | 30 June 1910 |  | Previously held the Tasmanian House of Assembly seat of Brighton. Re-elected | 
|  | .jpg)  | Sir John Downer (1843–1915)
 | Protectionist | South Australia | 31 December 1903 | 30 March 1901 | 31 December 1903 |  | Previously held the South Australian House of Assembly seat of Barossa. Retired. Later elected to the South Australian Legislative Council in 1905 | 
|  | .jpg)  | James Drake (1850–1941)
 | Protectionist | Queensland | 31 December 1906 | 30 March 1901 | 31 December 1906 |  | Previously a member of the Queensland Legislative Council. Lost preselection and retired | 
|  | .jpg)  | Norman Ewing (1870–1928)
 | Free Trade | Western Australia | 31 December 1903 | 29 March 1901 | 17 April 1903 [g] |  | Previously held the Western Australian Legislative Assembly seat of Swan. Resigned to focus on legal practice. Later elected to the Tasmanian House of Assembly seat of Franklin in 1909 | 
|  | .jpg)  | John Ferguson (1830–1906)
 | Free Trade | Queensland | 31 December 1903 | 30 March 1901 | 6 October 1903 [j] |  | Simultaneously a member of the Queensland Legislative Council. Seat made vacant due to prolonged absence without permission. Oldest member of the 1901-1903 Senate | 
|  |   | Simon Fraser (1832–1919)
 | Protectionist | Victoria | 31 December 1906 | 29 March 1901 | 30 June 1913 |  | Previously a member of the Victorian Legislative Council. Re-elected | 
|  |   | Thomas Glassey (1844–1936)
 | Protectionist | Queensland | 31 December 1903 | 30 March 1901 | 31 December 1903 |  | Previously held the Queensland Legislative Assembly seat of Bundaberg. Lost seat | 
|  | .jpg)  | Albert Gould (1847–1936)
 | Free Trade | New South Wales | 31 December 1906 | 29 March 1901 | 30 June 1917 |  | Previously held the New South Wales Legislative Assembly seat of Singleton. Re-elected | 
|  | .jpg)  | Edward Harney (1865–1929)
 | Free Trade | Western Australia | 31 December 1903 | 29 March 1901 | 31 December 1903 |  | Retired. Later elected to the British House of Commons seat of South Shields in 1922 | 
|  | .jpg)  | William Higgs (1862–1951)
 | Labour | Queensland | 31 December 1906 | 30 March 1901 | 31 December 1906 |  | Previously held the Queensland Legislative Assembly seat of Fortitude Valley. Lost seat. Later elected to the Division of Capricornia in 1910 | 
|  | .jpg)  | John Keating (1872–1940)
 | Protectionist | Tasmania | 31 December 1906 | 30 March 1901 | 30 June 1923 |  | Re-elected. Youngest member of the 1901-1903 Senate | 
|  | .jpg)  | James Macfarlane (1844–1914)
 | Free Trade | Tasmania | 31 December 1903 | 29 March 1901 | 30 June 1910 |  | Re-elected | 
|  | .jpg)  | Charles Mackellar (1844–1926)
 | Protectionist | New South Wales | 31 December 1903 | 8 October 1903 [h] [a] | 30 November 1903 |  | Previously a member of the New South Wales Legislative Council. Resigned to return to the Legislative Council after deciding not to contest the 1903 federal election | 
|  | .jpg)  | Alexander Matheson (1861–1929)
 | Free Trade | Western Australia | 31 December 1906 | 29 March 1901 | 31 December 1906 |  | Previously a member of the Western Australian Legislative Council. Retired | 
|  |   | Gregor McGregor (1848–1914)
 | Labour [e] | South Australia | 31 December 1903 | 30 March 1901 | 13 August 1914 |  | Previously a member of the South Australian Legislative Council. Re-elected | 
|  | .jpg)  | Edward Millen (1860–1923)
 | Free Trade | New South Wales | 31 December 1906 | 29 March 1901 | 14 September 1923 |  | Previously held the New South Wales Legislative Assembly seat of Bourke. Re-elected | 
|  |   | John Neild (1846–1911)
 | Free Trade | New South Wales | 31 December 1903 | 29 March 1901 | 30 June 1910 |  | Previously held the New South Wales Legislative Assembly seat of Paddington. Re-elected | 
|  | .jpg)  | Richard O'Connor (1851–1912)
 | Protectionist | New South Wales | 31 December 1903 | 29 March 1901 | 27 September 1903 [h] |  | Previously a member of the New South Wales Legislative Council. Resigned in order to become a Justice of the High Court | 
|  | .jpg)  | David O'Keefe (1864–1943)
 | Protectionist [e] | Tasmania | 31 December 1906 | 29 March 1901 | May 1901 |  | Lost seat. Later re-elected to the Senate in 1910 | 
|  | Labour | May 1901 | 31 December 1906 | 
|  |   | George Pearce (1870–1952)
 | Labour | Western Australia | 31 December 1906 | 29 March 1901 | 30 June 1938 |  | Re-elected. Last surviving member of the 1901-1903 Senate | 
|  | .jpg)  | Thomas Playford II (1837–1915)
 | Protectionist | South Australia | 31 December 1906 | 30 March 1901 | 31 December 1906 |  | Previously held the South Australian House of Assembly seat of Gumeracha. Lost seat | 
|  |   | Edward Pulsford (1844–1919)
 | Free Trade | New South Wales | 31 December 1903 | 29 March 1901 | 30 June 1910 |  | Previously a member of the New South Wales Legislative Council. Re-elected | 
|  |   | Robert Reid (1842–1904)
 | Free Trade | Victoria | 31 December 1903 | 21 January 1903 [f] [a] | 31 December 1903 |  | Previously a member of the Victorian Legislative Council. Retired | 
|  |   | Sir Frederick Sargood (1834–1903)
 | Free Trade | Victoria | 31 December 1903 | 29 March 1901 | 2 January 1903 [f] |  | Previously a member of the Victorian Legislative Council. Died in office | 
|  |   | Henry Saunders (1855–1919)
 | Free Trade | Western Australia | 31 December 1903 | 20 May 1903 [g] [a] | 31 December 1903 |  | Previously a member of the Western Australian Legislative Council. Lost seat. Later elected to the Legislative Council in 1918 | 
|  |   | Staniforth Smith (1869–1934)
 | Free Trade | Western Australia | 31 December 1906 | 29 March 1901 | 31 December 1906 |  | Retired | 
|  |   | James Stewart (1850–1931)
 | Labour | Queensland | 31 December 1903 | 30 March 1901 | 30 June 1917 |  | Previously held the Queensland Legislative Assembly seat of Rockhampton North. Re-elected | 
|  |   | James Styles (1841–1913)
 | Protectionist | Victoria | 31 December 1903 | 29 March 1901 | 31 December 1906 |  | Previously held the Victorian Legislative Assembly seat of Williamstown. Lost seat | 
|  |   | Sir Josiah Symon (1846–1934)
 | Free Trade | South Australia | 31 December 1906 | 29 March 1901 | 30 June 1913 |  | Previously held the South Australian House of Assembly seat of Sturt. Re-elected | 
|  | .jpg)  | James Walker (1841–1923)
 | Free Trade | New South Wales | 31 December 1906 | 29 March 1901 | 30 June 1913 |  | Re-elected | 
|  |   | Sir William Zeal (1830–1912)
 | Protectionist | Victoria | 31 December 1906 | 29 March 1901 | 31 December 1906 |  | Previously a member of the Victorian Legislative Council. Retired |