1842 in Australia

The following lists events that happened during 1842 in Australia.

Incumbents

January – Hundreds of Indigenous Australians are murdered at Bruthen Creek as part of a series of mass murders of Gunai Kurnai people known as the Gippsland massacres.
21 June – Norfolk Island convict rebellion
20 July – An Act passed "to declare the town of Sydney to be a city and to incorporate the inhabitants thereof".
12 August – Melbourne incorporated as a "town".
21 August – Hobart Town is proclaimed a city.
Undated – 5 European men are killed in the Pelican Creek tragedy by Aboriginals of the Bundjalung Nation at dawn as they slept.
Undated – 100 Bundjalung Nation Aboriginal people are killed in the Evans Head massacre in retaliation for the killing of 'a few sheep', or the killing of 'five European men' from the 1842 Pelican Creek tragedy.
Undated – An unknown number of Indigenous Australians are murdered at Skull Creek as part of a series of mass murders of Gunai Kurnai people known as the Gippsland massacres.