1809 in Australia

The following lists events that happened during 1809 in Australia.

Incumbents

 * Monarch - George III

Events

 * 25 April – First post office in Sydney established. Ex-convict Isaac Nichols is the first postmaster.
 * 8 May – Lachlan Macquarie is officially appointed Governor of New South Wales, caretaker William Patterson governs until his appointment begins on 1 January 1810.
 * 24 May – Lachlan Macquarie receives his commission as next governor of New South Wales, including instructions to reinstate Bligh temporarily on his arrival.

Exploration and settlement

 * Settlement began at O'Brien's bridge near the centre of present-day Glenorchy, Tasmania.

Births

 * 5 April – Arthur Edward Kennedy, Governor of Western Australia 1855-62 and Governor of Queensland 1877-1883