1956 in Australia

Incumbents

• Monarch – Elizabeth II
• Governor-General – Sir William Slim
• Prime Minister – Robert Menzies

State Premiers

• Premier of New South Wales – Joseph Cahill
• Premier of Queensland – Vince Gair
• Premier of South Australia – Thomas Playford IV
• Premier of Tasmania – Robert Cosgrove
• Premier of Victoria – Henry Bolte
• Premier of Western Australia – Albert Hawke

State Governors

• Governor of New South Wales – Sir John Northcott
• Governor of Queensland – Sir John Lavarack
• Governor of South Australia – Sir Robert George
• Governor of Tasmania – Sir Ronald Cross, 1st Baronet
• Governor of Victoria – Sir Dallas Brooks
• Governor of Western Australia – Sir...... ...
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