1871 in Australia
- 15 March - Australia's first synagogue opens in Adelaide, South Australia.
- 5 May - The Prince Alfred Hospital opens in Melbourne.
- 19 June - Charles Gavan Duffy assumes office as Premier of Victoria.
- 24 September - Mother Mary MacKillop is excommunicated from the Roman Catholic Church after refusing to disband the Sisters of St Joseph of the Sacred Heart order.
Exploration and settlement
- 10 January - Miles Evergood (died 1939), artist
- 26 January - Oscar Asche (died 1936), actor and director
- 22 February - Hayden Starke (died 1958), High Court judge
- 3 April - John Wren (died 1953), businessman
- 20 August - Sydney Long (died 1955), artist
- 23 November - William Watt (died 1946), 24th Premier of Victoria