1898 in Australia
- Premier of New South Wales - George Reid
- Premier of South Australia - Charles Kingston
- Premier of Queensland - Hugh Nelson (until 13 April), Thomas Joseph Byrnes (died in office 27 September) then James Dickson
- Premier of Tasmania - Edward Braddon
- Premier of Western Australia - John Forrest
- Premier of Victoria - George Turner
- Governor of New South Wales – Henry Brand, 2nd Viscount Hampden
- Governor of Queensland – Charles Cochrane-Baillie, 2nd Baron Lamington
- Governor of South Australia – Sir Thomas Buxton, 3rd Baronet
- Governor of Tasmania – Jenico Preston, 14th Viscount Gormanston
- Governor of Victoria – Thomas Brassey, 1st Earl Brassey
- Governor of Western Australia – Gerard Smith
- 6 May - The paddle steamer Maitland sinks near Broken Bay, drowning 24 people.
- 3–4 June - A referendum is held in New South Wales, South Australia, Tasmania and Victoria to approve the draft Constitution of Australia. The constitution was accepted by the required majority in South Australia, Tasmania and Victoria, but not in New South Wales.
- 17 October - The Perth Zoo opens with two lions and a tiger.
- 26 December - Gatton murders - Three members of the same family are sexually molested and murdered near the town of Gatton, Queensland (unsolved).
- The Queen Victoria Building in Sydney is completed
Science and technology
Nothing much that is important happened to do with science and technology.
Arts and literature
- Fisher, Catherine Horne. "Greenwood, Irene Adelaide (1898–1992)". Australian Dictionary of Biography. National Centre of Biography, Australian National University. Retrieved 31 January 2018.