2011 in Australia
The following lists events that happened during 2011 in Australia. == Incumbents == Monarch – Elizabeth II Governor-General – Quentin Bryce Prime Minister – Julia Gillard Deputy Prime Minister – Wayne Swan Opposition Leader – Tony Abbott Chief Justice – Robert French === State and territory leaders === Premier of New South Wales – Kristina Keneally (until 28 March), then Barry O'Farrell Opposition Leader – Barry O'Farrell (until 28 March), then John Robertson Premier of Queensland – Anna Bligh Opposition Leader – John-Paul Langbroek (until 11 April), then Jeff Seeney Premier of South Australia – Mike Rann (until 21 October), then Jay Weatherill Opposition Leader – Isobel Redmond Premier of Tasmania – David Bartlett (until 23 January), then Lara Giddings Opposition Leader – Will Hodgman Premier of Victoria – Ted Baillieu Opposition Leader – Daniel Andrews Premier of Western Australia – Colin Barnett Opposition Leader – Eric Ripper Chief Minister of the Australian Capital Territory – Jon Stanhope (until 12 May), then Katy Gallagher Opposition Leader – Zed Seselja Chief Minister of the Northern Territory – Paul Henderson Opposition Leader – Terry Mills Chief Minister of Norfolk Island – David Buffett === Governors and administrators === Governor of New South Wales – Marie Bashir Governor of Queensland – Penelope Wensley Governor of South Australia – Kevin Scarce Governor of Tasmania – Peter Underwood Governor of Victoria – David de Kretser (until 7 April), then Alex Chernov Governor of Western Australia – Ken Michael (until 2 May), then Malcolm McCusker Administrator of the Australian Indian Ocean Territories – Brian Lacy Administrator of Norfolk Island – Owen Walsh Administrator of the Northern Territory – Tom Pauling (until 31 October), then Sally Thomas == Events == === January === December 2010 to January 2011 – Flooding across Queensland continues, the most widespread flooding disaster in Queensland history.