1925 in Australia

The following lists events that happened during 1925 in Australia.

Incumbents

 * Monarch – George V
 * Governor-General – Henry Forster, 1st Baron Forster (until 8 October) then John Baird, 1st Viscount Stonehaven
 * Prime Minister – Stanley Bruce
 * Chief Justice – Adrian Knox

State premiers

 * Premier of New South Wales – George Fuller (until 17 June), then Jack Lang
 * Premier of Queensland – Ted Theodore (until 26 February), then William Gillies (until 22 October), then William McCormack
 * Premier of South Australia – John Gunn
 * Premier of Tasmania – Joseph Lyons
 * Premier of Victoria – John Allan
 * Premier of Western Australia – Philip Collier

State governors

 * Governor of New South Wales – Sir Dudley de Chair
 * Governor of Queensland – Sir Matthew Nathan (until 17 September)
 * Governor of South Australia – Sir Tom Bridges
 * Governor of Tasmania – Sir James O'Grady
 * Governor of Victoria – George Rous, 3rd Earl of Stradbroke
 * Governor of Western Australia – Sir William Campion

Events

 * 26 January – Australia's oldest commercial radio station, 2UE, begins broadcasting in Sydney.
 * 20 May – The Murrumbidgee River floods for eight days killing four people, as up to 500 mm falls in its upper catchment.
 * 30 May – Millicent Preston-Stanley becomes the first woman member of the New South Wales Legislative Assembly.
 * 1 to 31 May – Canberra records its wettest month on record with 339.4 mm at Acton and 297.4 mm at Duntroon Military College.
 * 3 June – A general election is held in Tasmania. The Labor government of Joseph Lyons is returned in a landslide victory.
 * 9 June – Ten people are killed in a derailment near Traveston railway station, Queensland
 * 1 September – Thomas Blamey becomes Chief Commissioner of Victoria Police.

Science and technology

 * The Cactoblastis moth is introduced in Queensland to control prickly pear cactus.

Arts and literature

 * John Longstaff wins the Archibald Prize for his portrait of Maurice Moscovitch

Sport

 * Victoria wins the Sheffield Shield
 * 2 May – Footscray, Hawthorn and North Melbourne play their initial Victorian Football League matches.
 * 8 August – South Sydney record the only perfect season in NSWRFL history, winning all twelve of their matches.
 * 26 September – Geelong defeats Collingwood 10.19 (79) to 9.15 (69), becoming premiers of the 1925 VFL season.
 * 3 November – Windbag wins the Melbourne Cup.

Births

 * 14 January – Ray Wilkie, meteorologist (d. 2023)
 * 8 February – Francis Webb, poet (d. 1973)
 * 10 February – Basil Hennessy, archaeologist (d. 2013)
 * 11 February – George Avery, Olympic triple jumper (d. 2006)
 * 12 February – Ted Innes, politician (d. 2010)
 * 17 February – Joy Nichols, comedian and actress (d. 1992)
 * 20 February – Pat Lanigan, public servant (d. 1992)
 * 19 March – Creighton Burns, journalist and editor-in-chief of The Age (d. 2008)
 * 27 March – Ian Robinson, politician (d. 2017)
 * 4 April – Dorothy Alison, actress (d. 1992)
 * 21 April – Anthony Mason, Chief Justice of the High Court
 * 2 May – Lou Rowan, Test cricket match umpire (d. 2017)
 * 19 May – Brian Moll, character actor, director and producer (d. 2010)
 * 24 May – Alfred Parsons, diplomat (d. 2010)
 * 4 June – Peter Benjamin Graham, artist (d. 1987)
 * 9 June – Don Ritchie, Australian official (d. 2012)
 * 3 July – Terry Moriarty, Australian rules footballer (d. 2011)
 * 6 July – Ruth Cracknell, actor (d. 2002)
 * 18 July
 * Raymond Jones, architect (d. 2022)
 * Shirley Strickland, athlete (d. 2004)
 * 26 July – Neil O'Reilly, Australian rules footballer (d. 1985)
 * 19 August – Laurie Sawle, cricketer (d. 2022)
 * 21 August – Don Chipp, politician and founder of the Australian Democrats (d. 2006)
 * 24 August – Duncan Hall, rugby league footballer of the 1940s and 1950s (d. 2011)
 * 27 August – Fred Emery, psychologist (d. 1997)
 * 27 August – Ken Grieves, cricketer (d. 1992)
 * 27 August – Bill Neilson, Premier of Tasmania (1975–1977) (d. 1989)
 * 24 September – Harry Jenkins (senior), politician (d. 2004)
 * 4 October – Renfrey Potts, mathematician (d. 2005)
 * 5 October – Murray Riley, Olympic rower (d. 2020)
 * 18 October – Thomas Millar, historian (d. 1994)
 * 24 October – Ken Mackay, cricketer (d. 1982)
 * 5 November – Rhonda Small, filmmaker (d. 2014)
 * 17 November – Charles Mackerras, conductor (d. 2010)
 * 23 November – James Killen, politician (d. 2007)
 * 10 December – Norm McDonald, Australian rules footballer (d. 2002)

Deaths

 * 24 January – William Aitcheson Haswell, zoologist (born in the United Kingdom) (b. 1854)
 * 4 February – Richard Godfrey Rivers, artist (born and died in the United Kingdom) (b. 1859)
 * 23 February – John Holman, Western Australian politician (b. 1872)
 * 1 March – John Ferguson, minister (born in the United Kingdom) (b. 1852)
 * 16 April – Thomas McCawley, 5th Chief Justice of Queensland (b. 1881)
 * 20 April – Rose Scott, suffragette (b. 1847)
 * 28 April – Sir Richard Butler, 23rd Premier of South Australia (born and died in the United Kingdom) (b. 1850)
 * 22 June – Matthew Gibney, bishop (born in Ireland) (b. 1835)
 * 27 June – Simpson Newland, South Australian politician, pastoralist and author (born in the United Kingdom) (b. 1835)
 * 18 July – Edward Russell, Victorian politician (b. 1878)
 * 26 July – William Trenwith, 1st Leader of the Victorian Labor Party (b. 1846)
 * 30 August – Magnus Cromarty, New South Wales politician (b. 1875)
 * 5 September – Reginald Augustus Frederick Murray, geologist and surveyor (born in the United Kingdom) (b. 1846)
 * 6 or 8 September– Louisa Briggs, Aboriginal Australian rights activist, dormitory matron, midwife and nurse recognized as five apical ancestors from whom Boonwurrung descent is established (b. 1818 or 1836)
 * 28 September – Joseph Brown, Victorian politician (born in the United Kingdom) (b. 1844)
 * 3 October – Charles Web Gilbert, sculptor (b. 1867)
 * 24 October – Charles Kenningham, opera singer and actor (born in the United Kingdom) (b. 1860)
 * 4 November – Paddy Hannan, prospector (born in Ireland) (b. 1840)
 * 13 November – Charles McDonald, Queensland politician (b. 1860)
 * 16 November – Joseph Maiden, botanist (born in the United Kingdom) (b. 1859)