1903 in Australia
|1903 in Australia|
|Governor-General||John Hope, then Hallam Tennyson, 2nd Baron Tennyson|
|Prime minister||Edmund Barton, then Alfred Deakin|
- Monarch – Edward VII
- Governor General – John Hope, 7th Earl of Hopetoun (until 29 January), then Hallam Tennyson, 2nd Baron Tennyson
- Prime Minister – Edmund Barton (until 24 September), then Alfred Deakin
- Chief Justice – Samuel Griffith (from 5 October)
- Premier of New South Wales – John See
- Premier of Queensland – Robert Philp (until 17 September), then Arthur Morgan
- Premier of South Australia – John Jenkins
- Premier of Tasmania – Elliott Lewis (until 9 April), then William Propsting
- Premier of Western Australia – Walter James
- Premier of Victoria – William Irvine
- Governor of New South Wales – Admiral Sir Harry Rawson
- Governor of Queensland – Major General Sir Herbert Chermside
- Governor of South Australia – Hallam Tennyson, 2nd Baron Tennyson (until 17 July)
- Governor of Tasmania – Captain Sir Arthur Havelock
- Governor of Western Australia – Admiral Sir Frederick Bedford (from 24 March)
- Governor of Victoria – Sir George Clarke (until 24 November)
- 20 February – The Flag of Australia, altered so that the stars of the Southern Cross (except the smallest one) have seven points each, is approved by Edward VII.
- 6 October – The High Court of Australia convenes for the first time.
- 24 November – Sir George Clarke retires as Governor of Victoria. Sir John Madden, the lieutenant governor, acts in his place until the appointment of a new governor.
- 16 December – Australia's second federal election is held, the first in the world in which women were permitted to vote and stand for parliament. The incumbent Protectionist Party led by Alfred Deakin defeated the opposition Free Trade Party led by George Reid. Selina Anderson, Vida Goldstein, Nellie Martel, and Mary Moore-Bentley become the first women in the British Empire to stand for a national parliament; none are successful.
- 18 December – The first train runs from Rockhampton to Brisbane.