Queen of Australia – Elizabeth II
Governor General – Sir Paul Hasluck
Prime Minister – William McMahon, then Gough Whitlam
Premier of New South Wales – Sir Robert Askin
Premier of South Australia – Don Dunstan
Premier of Queensland – Sir Joh Bjelke-Petersen
Premier of Tasmania – Angus Bethune, then Eric Reece
Premier of Western Australia – John Tonkin
Premier of Victoria – Sir Henry Bolte, then Rupert Hamer
Chief Minister of the Northern Territory – Marshall Perron
26 January – Aboriginal Tent Embassy was constructed in front of Parliament House (now old Parliament House).
10 May – Law professor George Duncan is drowned in the Torrens River, Adelaide. Police establish that his death was a homophobic-related murder.
3 June – Douglas Nicholls becomes the first Indigenous Australian to be knighted.
29 July – Kerry Anne Wells earned Australia's first Miss Universe crown, in Dorado, Puerto Rico.
6 October – Faraday School kidnapping – six pupils and their teacher are kidnapped for $1 million ransom in Victoria.
15 November – First aircraft hijacking in Australia. Ansett Airlines Flight 232 from Adelaide to Alice Springs with 28 passengers and a crew of 4. Followed by gun battle at Alice Springs Airport.
1 December – Belinda Green is crowned Miss World in London, becoming the second Australian winner of this pageant. Australia won the two most important beauty contest in this year.
2 December – Gough Whitlam becomes Prime Minister of Australia.
Shane Gould is announced as Australian of the Year
The health warning, "Smoking is a Health Hazard" becomes compulsory on cigarette packets in Australia.
Thea Astley's novel The Acolyte wins the Miles Franklin Award
The Adventures of Barry McKenzie
13 March – Controversial soap opera Number 96 debuts on Network 0–10.
16 November – The Aunty Jack Show premieres on ABC-TV in Sydney.
16 September – Bernard Vine wins the men's national marathon title, clocking 2:28:21 in Richmond, Australia.
In the 1972 NSWRFL season's premiership final Manly-Warringah defeat Eastern Suburbs
In the Bulimba Cup final Brisbane defeat Toowoomba 55-2 at Lang Park
Piping Lane wins the Melbourne Cup
Western Australia wins the Sheffield Shield
American Eagle takes line and handicap honours in the Sydney to Hobart Yacht Race
Shane Gould wins 3 gold medals for swimming at the 1972 Summer Olympics in Munich
Australia draws Ashes Cricket Test Series 2-2 with England
5 February – Brad Fittler, rugby league footballer and coach
6 February – Mark Ladbrook, track and field sprinter
11 March – Adam Bandt, politician
25 March – Nina Bonner, field hockey goalkeeper
8 April – Katrina Powell, field hockey player
30 May – Renita Farrell, field hockey player
19 June – Poppy Montgomery, actress
24 June – Robbie McEwen, cyclist
24 June – Ian Rutledge, field hockey coach
30 June – Stuart Rendell, hammer thrower
6 July – Daniel Andrews, Premier of Victoria
12 August – Allison Tranquilli, basketball player
1 September – Louise Dobson, field hockey player
20 September – Jenny Morris, field hockey player
11 October – Claudia Black, actress
1 November – Toni Collette, actress
7 November – Melissa Bell, actress
13 November – Samantha Riley, swimmer
11 December – Del Kathryn Barton, artist
22 December – Anthony Edwards, rower
28 December – Patrick Rafter, tennis player
6 January – Olegas Truchanas (born 1923), conservationist and nature photographer
22 January – Jack Cummings (born 1901), tennis player
2 February – Matt Goggin (born 1936), Australian rules footballer (Geelong)
15 February – Sir Kenneth Street (born 1890), Chief Justice of New South Wales
29 February – Ernie Barber (born 1895), Australian rules footballer (South Melbourne)
9 March – Roy Kendall (born 1899), politician and MI6 officer
19 March –
George Bassett (born 1888), politician
Jack Carington Smith (born 1908), artist
16 April – Frank O'Connor (born 1894), public servant
2 May – Arthur Trebilcock (born 1907), Tasmanian cricketer
7 July – Owen Dixon (born 1886), former Chief Justice of Australia
21 August – Ernestine Hill (born 1899), author
23 September – Peter O'Sullivan (born 1932), Australian rules footballer (Essendon, North Melbourne)
4 November – Harry Rigby (born 1896), World War I flying ace
1972 in Australia Wikipedia
| Elizabeth II|
| Paul Hasluck|
Federal, TAS, QLD
| William McMahon, then Gough Whitlam|