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Australian federal electoral division

The Division of Casey is an Australian electoral division in the state of Victoria. The division was created in 1969 and is named for Richard Casey, who was Governor General of Australia 1965–69. The division is located in the outer eastern suburbs of Melbourne and extends into the Yarra Valley and Dandenong Ranges. It covers an area of approximately Major suburbs and towns include , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , and
The current Member for Casey, since the 2022 federal election, is Aaron Violi, a member of the Liberal Party of Australia. His immediate predecessor is Tony Smith, who was Speaker of the House from 2015 through 2021, and was, after Bob Halverson, the second member for this electorate to occupy the chair.

Since 1984, federal electoral division boundaries in Australia have been determined at redistributions by a redistribution committee appointed by the Australian Electoral Commission. Redistributions occur for the boundaries of divisions in a particular state, and they occur every seven years, or sooner if a state's representation entitlement changes or when divisions of a state are malapportioned.

When it was created it was a highly marginal seat, and at the 1972 federal election it was regarded as the "litmus seat", which the Australian Labor Party had to win to gain government. Lost when the Liberals won in 1975, Labor picked it up again when Labor regained government in 1983. However, a redistribution ahead of the following year's election made Casey marginally Liberal. The Liberals retook the seat in that election and have held it since then. Demographic changes have also contributed in making Casey a fairly safe seat for the Liberal Party, although a redistribution ahead of the 2013 federal election pushed the seat further north into the upper Yarra Valley, estimated to halve the Liberal two party preferred majority of 4.2 per cent.

Image Member Party Term Notes  Peter Howson Liberal 25 October 1969 –2 December 1972 Previously held the Division of Fawkner. Served as minister under McMahon. Lost seat  Race Mathews Labor 2 December 1972 –13 December 1975 Lost seat. Later elected to the Victorian Legislative Assembly seat of Oakleigh in 1979  Peter Falconer Liberal 13 December 1975 –5 March 1983 Lost seat  Peter Steedman Labor 5 March 1983 –1 December 1984 Lost seat  Bob Halverson Liberal 1 December 1984 –31 August 1998 Served as Speaker during the Howard Government. Retired  Michael Wooldridge 3 October 1998 –8 October 2001 Previously held the Division of Chisholm. Served as minister under Howard. Retired  Tony Smith 10 November 2001 –11 April 2022 Served as Speaker during the Abbott, Turnbull and Morrison Governments. Retired  Aaron Violi 21 May 2022 –present Incumbent