Andrew McLachlan

Senator Andrew McLachlan CSC
Senator for South Australia
Incumbent
Assumed office 6 February 2020
Preceded by	Cory Bernardi
President of the South Australian Legislative Council
In office 3 May 2018 – 5 February 2020
Preceded by	Russell Wortley
Succeeded by	Terry Stephens
Member of the South Australian Legislative Council
In office 15 March 2014 – 5 February 2020
Preceded by	Ann Bressington
Succeeded by	Nicola Centofanti
Deputy President of the Australian Senate
Incumbent
Assumed office 26 July 2022
President	Sue Lines
Preceded by	Sue Lines
Personal details
Nationality	Australian
Political party	Liberal Party of Australia (SA)
Residence(s)	Adelaide, South Australia
Alma mater	University of Adelaide
Occupation	Lawyer business executive army officer
Website	Official website
Military service
Allegiance	Australia
Branch/service	Australian Army Reserve
Rank	Colonel
Unit	Australian Army Legal Corps
Battles/wars	War in Afghanistan
Awards	Conspicuous Service Cross[1][2] Commander of the Venerable Order of Saint John[3]

Andrew Lockhart McLachlan CSC (born 14 January 1966) is an Australian politician who has been a Senator for South Australia since 6 February 2020, representing the Liberal Party of Australia. He was previously a member of the South Australian Legislative Council, having been elected at the 2014 state election, and was subsequently elected President of the South Australian Legislative Council in May 2018. He resigned as president and member of the Legislative Council in February 2020, to take up the vacant seat in the Senate caused by the resignation of Cory Bernardi.

Prior to entering state parliament, McLachlan was a lawyer, army officer and a businessman working in the financial services industry.