Elections were held in the state of Western Australia on 26 February 2005 to elect all 57 members to the Legislative Assembly and all 34 members to the Legislative Council. The Labor government, led by Premier Geoff Gallop, won a second term in office against the Liberal Party, led by Opposition Leader Colin Barnett.
Results.
Legislative Assembly.
Notes:
 ;templatestyles src="Citation/styles.css"/ ;1 The Independent member for Pilbara, Larry Graham, and the Independent member for South Perth, Phillip Pendal, both retired at the 2005 election. The seats returned to the Labor and Liberal parties respectively.
Legislative Council.
Notes:
 ;templatestyles src="Citation/styles.css"/ ;1 By the time of the 2005 election, the One Nation Party actually held no seats, as the three members elected in 2001 election had resigned to sit as independents, later joining the New Country Party. None managed to retain their seats.
References.
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