• Liberal Party Senator for SA
• Changed party from Deputy-President on 22 Jul 2025; from Liberal Party on 26 Jul 2022
• Became a Senator on 6 February 2020 — unknown
• Email me whenever Andrew McLachlan speaks (no more than once per day)

• Voting record
• Numbers
• Register of Interests

Adjournment: Great Australian Bight (23 Mar 2026)

“I support World Heritage listing for the Great Australian Bight. It's one of the best and most intact temperate marine ecosystems in the world, with amazing biodiversity. It's globally significant. How did I get to this point? Well, there was a risk, when I was in state parliament, of BP drilling in the bight. That may even have found some favour with certain Labor members across the aisle at...”

Bills: High Seas Biodiversity Bill 2026; Second Reading (23 Mar 2026)

“I rise to speak on the High Seas Biodiversity Bill 2026, which implements Australia's obligations under the high seas treaty. The Liberal Party is supporting the bill, as am I. The treaty entered into force on 17 January 2026, and this bill seeks to enact certain provisions which will enable us to ratify the agreement. The bill addresses our obligations under three parts of the agreement: it...”

Adjournment: South Australian State Election, Northern Territory: Nightcliff By-Election (10 Mar 2026)

“The Labor Party. He's probably a wiser man than me! But I have no doubt he will serve his community exceptionally. He's a wonderful young man and is well prepared—being a former civil engineer and a City of Darwin councillor. His family are very proud of him, and I wish my mother was still here to see his success. All the best to Ed and his wife Susannah and the family.”

More of Andrew McLachlan's recent appearances

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Please note that numbers do not measure quality. Also, Senators may do other things not currently covered by this site. (More about this)

• Has spoken in 43 debates in the last year — below average amongst Senators.
• People have made 0 comments on this Senator's speeches — average amongst Senators.
• 5 people are tracking whenever this Senator speaks — email me whenever Andrew McLachlan speaks.
• Has used three-word alliterative phrases (e.g. "she sells seashells") 104 times in debates — below average amongst Senators. (Why is this here?)

Andrew McLachlan's latest interest statementLast updated: 15 Dec 2025