1931 in Australia
The following lists events that happened during 1931 in Australia. == Incumbents == Monarch – George V Governor-General – John Baird, 1st Viscount Stonehaven (until 21 January), then Sir Isaac Isaacs Prime Minister – James Scullin Chief Justice – Isaac Isaacs (until 21 January) then Frank Gavan Duffy === State Premiers === Premier of New South Wales – Jack Lang Premier of Queensland – Arthur Edward Moore Premier of South Australia – Lionel Hill Premier of Tasmania – John McPhee Premier of Victoria – Edmond Hogan Premier of Western Australia – James Mitchell === State Governors === Governor of New South Wales – Sir Philip Game Governor of Queensland – Sir John Goodwin Governor of South Australia – Sir Alexander Hore-Ruthven Governor of Tasmania – none appointed Governor of Victoria – Arthur Somers-Cocks, 6th Baron Somers (until 23 June) Governor of Western Australia – Sir William Campion (until 9 June) == Events == 7 January – Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.