1870 in Australia

Incumbents

Governors

• Governor of New South Wales — Somerset Lowry-Corry, 4th Earl Belmore
• Governor of Queensland — Colonel Sir Samuel Blackall
• Governor of South Australia — Sir James Fergusson, 6th Baronet
• Governor of Tasmania — Charles Du Cane
• Governor of Victoria — John Manners-Sutton, 3rd Viscount Canterbury

Premiers

• Premier of New South Wales — John Robertson, until 13 January then Charles Cowper, until 16 December then James Martin
• Premier of Queensland — Charles Lilley, until 3 May then Arthur Hunter Palmer
• Premier of South Australia — Henry Strangways, until 30 May then John HartParliament of South Australia,......
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