1802 in Australia
- 8 April – Matthew Flinders meets the French explorer Nicolas Baudin at Encounter Bay.
- 2 June – Pemulwuy is shot and killed following the killing of four white men at Parramatta and Toongabbie.
Exploration and settlement
- 14 February – Acting lieutenant John Murray, commander of the Lady Nelson, explores Port Phillip.
- 1 May – Matthew Flinders becomes the first European to visit the You Yangs ranges near Geelong, Victoria. He and three of his men climb to the highest point, naming it "Station Peak". It is later renamed Flinders Peak.
- 2 June – Pemulwuy (b. c. 1750), Indigenous Australian resistance leader
- 12 June – Peter Good, English gardener on Matthew Flinders' voyage