This is a list of the members of the Australian House of Representatives in the Fourth Australian Parliament, which was elected on 13 April 1910.
{| class="wikitable sortable"
! Member
! colspan=2 | Party
! Electorate
! State
! In office
|-
| Frank Anstey
| | ||
| Bourke
| Vic
| 1910
|-
| William Archibald *
| | ||
| Hindmarsh
| SA
| 1910
|-
| Llewellyn Atkinson
| | ||
| Wilmot
| Tas
| 1906
|-
| Frederick Bamford
| | ||
| Herbert
| Qld
| 1901
|-
| Lee Batchelor
| | ||
| Boothby
| SA
| 1901
|-
| Henry Beard
| | ||
| Batman
| Vic
| 1910
|-
| Thomas Brown
| | ||
| Calare
| NSW
| 1901–1906, 1906
|-
| George Cann
| | ||
| Nepean
| NSW
| 1910
|-
| Ernest Carr
| | ||
| Macquarie
| NSW
| 1906
|-
| James Catts
| | ||
| Cook
| NSW
| 1906
|-
| John Chanter
| | ||
| Riverina
| NSW
| 1901–1903, 1904 (by-election)
|-
| Austin Chapman *
| | ||
| Eden-Monaro
| NSW
| 1901
|-
| Matthew Charlton
| | ||
| Hunter
| NSW
| 1910
|-
| Joseph Cook
| | ||
| Parramatta
| NSW
| 1901
|-
| Alfred Deakin
| | ||
| Ballarat
| Vic
| 1901
|-
| George Edwards
| | ||
| North Sydney
| NSW
| 1901–1906, 1910
|-
| Richard Edwards
| | ||
| Oxley
| Qld
| 1901
|-
| George Fairbairn
| | ||
| Fawkner
| Vic
| 1906
|-
| James Fenton
| | ||
| Maribyrnong
| Vic
| 1910
|-
| William Finlayson
| | ||
| Brisbane
| Qld
| 1910
|-
| Andrew Fisher
| | ||
| Wide Bay
| Qld
| 1901
|-
| Sir John Forrest
| | ||
| Swan
| WA
| 1901
|-
| Frank Foster
| | ||
| New England
| NSW
| 1906
|-
| Richard Foster
| | ||
| Wakefield
| SA
| 1909 (by-election)
|-
| James Fowler
| | ||
| Perth
| WA
| 1901
|-
| Charlie Frazer
| | ||
| Kalgoorlie
| WA
| 1903
|-
| George Fuller
| | ||
| Illawarra
| NSW
| 1901
|-
| Paddy Glynn *
| | ||
| Angas
| SA
| 1901
|-
| Littleton Groom
| | ||
| Darling Downs
| Qld
| 1901
|-
| David Hall
| | ||
| Werriwa
| NSW
| 1906
|-
| Robert Harper
| | ||
| Mernda
| Vic
| 1901
|-
| William Hedges
| | ||
| Fremantle
| WA
| 1906
|-
| William Higgs
| | ||
| Capricornia
| Qld
| 1910
|-
| Robert Howe
| | ||
| Dalley
| NSW
| 1910
|-
| Billy Hughes
| | ||
| West Sydney
| NSW
| 1901
|-
| Hans Irvine
| | ||
| Grampians
| Vic
| 1906
|-
| William Irvine
| | ||
| Flinders
| Vic
| 1906
|-
| Jens Jensen
| | ||
| Bass
| Tas
| 1910
|-
| Elliot Johnson
| | ||
| Lang
| NSW
| 1903
|-
| William Johnson
| | ||
| Robertson
| NSW
| 1910
|-
| Willie Kelly
| | ||
| Wentworth
| NSW
| 1903
|-
| William Knox
| | ||
| Kooyong
| Vic
| 1901
|-
| William Laird Smith
| | ||
| Denison
| Tas
| 1910
|-
| John Livingston
| | ||
| Barker
| SA
| 1906
|-
| Sir William Lyne
| | ||
| Hume
| NSW
| 1901
|-
| Charles McDonald
| | ||
| Kennedy
| Qld
| 1901
|-
| John McDougall
| | ||
| Wannon
| Vic
| 1906
|-
| William McWilliams
| | ||
| Franklin
| Tas
| 1903
|-
| Hugh Mahon
| | ||
| Coolgardie
| WA
| 1901
|-
| William Maloney
| | ||
| Melbourne
| Vic
| 1906
|-
| Walter Massy-Greene
| | ||
| Richmond
| NSW
| 1910
|-
| James Mathews
| | ||
| Melbourne Ports
| Vic
| 1906
|-
| Parker Moloney
| | ||
| Indi
| Vic
| 1910
|-
| King O'Malley
| | ||
| Darwin
| Tas
| 1901
|-
| Alfred Ozanne
| | ||
| Corio
| Vic
| 1910
|-
| Jim Page
| | ||
| Maranoa
| Qld
| 1901
|-
| Albert Palmer
| | ||
| Echuca
| Vic
| 1906
|-
| Alexander Poynton *
| | ||
| Grey
| SA
| 1901
|-
| Sir John Quick
| | ||
| Bendigo
| Vic
| 1901
|-
| Edward Riley
| | ||
| South Sydney
| NSW
| 1910
|-
| Ernest Roberts
| | ||
| Adelaide
| SA
| 1908 (by-election)
|-
| Carty Salmon
| | ||
| Laanecoorie
| Vic
| 1901
|-
| Sydney Sampson
| | ||
| Wimmera
| Vic
| 1906
|-
| James Scullin
| | ||
| Corangamite
| Vic
| 1910
|-
| Hugh Sinclair
| | ||
| Moreton
| Qld
| 1906
|-
| Bruce Smith
| | ||
| Parkes
| NSW
| 1901
|-
| William Spence
| | ||
| Darling
| NSW
| 1901
|-
| Josiah Thomas
| | ||
| Barrier
| NSW
| 1901
|-
| John Thomson
| | ||
| Cowper
| NSW
| 1906
|-
| Frank Tudor
| | ||
| Yarra
| Vic
| 1901
|-
| David Watkins
| | ||
| Newcastle
| NSW
| 1901
|-
| William Webster
| | ||
| Gwydir
| NSW
| 1903
|-
| John West
| | ||
| East Sydney
| NSW
| 1910
|-
| George Wise
| | ||
| Gippsland
| Vic
| 1906
|-
| Agar Wynne
| | ||
| Balaclava
| Vic
| 1906
|}
Notes
<nowiki>*</nowiki> These candidates were elected unopposed.
- The Commonwealth Liberal Party, or the Fusion Party, was formed in 1909 when the Protectionist Party merged with the Free Trade Party.
- Lee Batchelor died in 1911, and was replaced by David Gordon (Commonwealth Liberal) at the resulting by-election on 11 November 1911.
- Henry Beard died in 1911, and was replaced by Frank Brennan (Labor) at the resulting by-election on 8 February 1911.
- Thomas Brown was first elected in 1901 to the Division of Canobolas, which was abolished at the 1906 redistribution.
- John Chanter was first elected in 1901, defeated at the 1903 election, but then re-elected at a by-election in 1904.
- George Edwards died in 1911, and was replaced by Granville Ryrie (Commonwealth Liberal) at the resulting by-election on 11 March 1911.
- George Edwards was first elected in 1901 to the Division of South Sydney, but retired before the 1906 election.
- James Fowler joined the Commonwealth Liberal Party in 1909 having previously been a Labor member.
- David Hall resigned in 1912, and was replaced by Benjamin Bennett (Labor) at the resulting by-election on 1 June 1912.
- William Higgs previously sat in the Australian Senate as a Senator for Queensland from 1901 to 1907.
- William Knox resigned in 1910, and was replaced by Sir Robert Best (Commonwealth Liberal) at the resulting by-election on 29 August 1910.
- Sir William Lyne stood as an independent, having previously been a member of the Protectionist Party.
- George Wise stood as an independent, having previously been a member of the Protectionist Party.