Members of the Australian Senate, 2005–2008

This is a list of members of the Australian Senate from 1 July 2005 to 30 June 2008.

¹ Tasmanian ALP Senator Sue Mackay resigned on 30 July 2005. Carol Brown was appointed as her replacement on 25 August. ² Victorian Senator Julian McGauran was elected as a National Party member, but defected to the Liberal Party on 23 January 2006. ³ South Australian Liberal Senator Robert Hill resigned on 2 March 2006 to take up a position as Australian Ambassador to the United Nations. Cory Bernardi was appointed as his replacement on 4 May. ⁴ South Australian Liberal Senator Jeannie Ferris died on 1 April 2007. Simon Birmingham was appointed as her replacement on 3 May. ⁵ Queensland Liberal Senator Santo Santoro resigned on 11 April 2007. Sue Boyce was appointed as his replacement on 20 April. ⁶ South Australian Liberal Senator Amanda Vanstone resigned on 26 April 2007. Mary Jo Fisher was appointed as her replacement on 6 June. ⁷ Western Australian Liberal Senator Ian Campbell resigned on 31 May 2007. Mathias Cormann was appointed as his replacement on 19 June. ⁸ Tasmanian Liberal Senator Paul Calvert resigned on 29 August 2007. David Bushby was appointed as his replacement on 30 August. ⁹ Victorian ALP Senator Robert Ray resigned on 5 May 2008. Jacinta Collins was appointed as his replacement on 8 May. ¹⁰ The terms of senators from the Australian Capital Territory and the Northern Territory are not fixed. All territory senators face election on the same day as elections for the House of Representatives, and their terms end the day before that election.