This article provides information on candidates who stood for the 1903 Australian federal election. The election was held on 16 December 1903.
Sitting members at the time of the election are shown in bold text. Successful candidates are highlighted in the relevant colour. Where there is possible confusion, an asterisk (*) is also used.
Sitting Senators are listed in bold. Tickets that elected at least one Senator are highlighted in the relevant colour. Successful candidates are identified by an asterisk (*).
Three seats were up for election. The Protectionist Party was defending one seat. The Free Trade Party was defending two seats. Free Trade Senators Albert Gould, Edward Millen and James Walker were not up for re-election.
Three seats were up for election. The Protectionist Party was defending one seat. The Free Trade Party was defending one seat. The Labour Party was defending one seat. Protectionist Senator James Drake and Labour Senators Anderson Dawson and William Higgs were not up for re-election.
Three seats were up for election. The Protectionist Party was defending one seat. The Free Trade Party was defending one seat. The Labour Party was defending one seat. Protectionist Senator Thomas Playford and Free Trade Senators Sir Richard Baker and Sir Josiah Symon were not up for re-election.
Three seats were up for election. The Protectionist Party was defending one seat. The Free Trade Party was defending two seats. Protectionist Senator John Keating, Free Trade Senator John Clemons and Labour Senator David O'Keefe were not up for re-election.
Four seats were up for election, one of which was for the short-term vacancy caused by Free Trade Senator Sir Frederick Sargood's death which had been filled in the interim by Free Trader Robert Reid. The Protectionist Party was defending two seats. The Free Trade Party was defending one seat. The Labour Party was defending one seat, although Senator John Barrett had been denied Labour endorsement and instead ran on the Protectionist ticket. Protectionist Senators Simon Fraser and Sir William Zeal were not up for re-election.
Three seats were up for election. The Free Trade Party was defending two seats. The Labor Party was defending one seat. Free Trade Senators Alexander Matheson and Staniforth Smith and Labour Senator George Pearce were not up for re-election.