1927 in Australia

The following lists events that happened during 1927 in Australia.

Incumbents

1 February – The North Australia Act of 1926 is enforced and the territory of Central Australia is created.
8 February – A cyclone makes landfall north of Cairns, causing flooding at Halifax Bay, Ingham, Innisfail, Tully, Cardwell and Townsville. Thirty-six people are killed, and twenty are missing.
9 April – A general election is held in Victoria.
3 May – The Australasian Council of Trade Unions is formed at the All-Australian Trade Union Congress in Melbourne.
9 May – Parliament House in Canberra is officially opened by the Duke of York.
20 May – Following a swing to the ALP in the Victorian election, Edmond Hogan forms a minority Labor government with Progressive support, and takes over as Premier of Victoria from John Allan.
29 June – Charles Kingsford Smith and his copilot Charles Ulm complete a round-Australia flight in ten days, five-and-a-half hours.
27 October – Melbourne gangster Squizzy Taylor is killed in a shootout with Sydney gangsters in Carlton.
3 November – The Sydney ferry Greycliffe is cut in half by the liner RMS Tahiti, killing 40 persons.

Professor Thomas Parnell begins the pitch drop experiment at the University of Queensland. It will go on to become the world's longest continuously-running scientific experiment.

27 August – Robert Ferguson McMurdo wins the men's national marathon title, clocking 3:06:26 in Sydney.The race was not considered an official Australian championship by the National Athletics Federation even though all the top runners from all over Australia were competing.The Cup,however,reads "Australian Marathon Championship" 27/08/27.
17 September - The 1927 NSWRFL season culminates in South Sydney's 20–11 victory over St. George in the final.
24 September – Collingwood become premiers of the 1927 VFL season, defeating Richmond 2.13 to 1.7 in the 1927 grand final.
1 November – Trivalve wins the Melbourne Cup.
South Australia wins the Sheffield Shield

20 January – Dawn Lake, entertainer
21 January – Clive Churchill, rugby league player
23 January – Fred Williams, painter and printmaker
18 March – Max Bingham, politician
20 March – Wally Grout, cricket player
1 April – Peter Cundall, horticulturist and television presenter
15 April – Bob Ellicott, lawyer, politician and judge
1 May – Michael Charlton, journalist and broadcaster
2 May - Ray Barrett, actor
6 May – Max Hazelton, aviator
30 May – Billy Wilson, St George rugby league captain
6 June – Alan Seymour, playwright
10 June – Bede Morris, immunologist
11 June – Richard Woolcott, diplomat and public servant
13 June – David Kirkpatrick (Slim Dusty), country and western singer
3 July – Peter Muller, architect
6 July – Alan Freeman, Australian-born broadcaster
13 July – Ian Reed, discus thrower
16 July – Geoffrey Martin, Australian rules footballer
17 July – Trixie Gardner, Baroness Gardner of Parkes, Australian-English dentist and politician
14 August – Sid Patterson, cyclist
24 August – David Ireland, novelist
22 September – Hal Nerdal, skier
25 September – Val Jellay, actress
29 October – Frank Sedgman, tennis player
10 November – Richard Connolly, composer and ABC personality
11 November – Jack Absalom, artist, author and adventurer
14 November – Bart Cummings, Australia's Best Racehorse Trainer
28 December – Ron Casey, Australian rules football administrator and media personality