1845 in Australia

Incumbents

Governors

• Governor of New South Wales – Sir George Gipps
• Governor of South Australia – Sir George Grey, then Lieutenant Colonel Frederick Holt Robe
• Governor of Tasmania – Sir John Eardley-Wilmot
• Governor of Western Australia as a Crown Colony – John Hutt.

  Events

• 12 March – St John the Baptist Church in Reid Canberra is consecrated.
• 4 August – The ship Cataraqui is wrecked off the coast of Tasmania, the 406 people on board drown.
• 20 July – Charles Sturt enters the Simpson Desert in central Australia.
• 21 June – News of the discovery of a rich body of copper ore at Burra, South Australia is published in Adelaide newspapers.
• 17 December – Ludwig Leichhardt arrives at Port Essington, Northern Territory, after an overland journey of 4800 km from Jimbour on the Darling Downs.
• Wool export in Australia – 24 million pounds.

  Births

• 25 February – George Reid, fourth Prime Minister of Australia
• 15 April – Dave Gregory, Australian cricketer
• 16 June – William Charles Kernot, engineer
• 21 June – Samuel Griffith, politician and judge
• Maybanke Anderson
• William Farrer
• Ernest Favenc
• Walter Howchin
• Victor Villiers
• J.C. Williamson

  Deaths

• 5 August – John Blaxland, pioneer and grazier
• John Tawell