Susan Elizabeth Close is an Australian politician, who is currently the deputy premier of South Australia since March 2022.

Close is a member of the Australian Labor Party, serving as the deputy leader following the 2018 State election.

She was first elected to the South Australian House of Assembly seat of Port Adelaide at the 2012 by-election, and held Cabinet portfolios in the Weatherill Ministry from 2014 to 2018.

[5][6] Close has chaired two parliamentary committees: Sustainable Farming Practices, and Dogs and Cats as Companion Animals.

Following her party's victory at the 2022 state election, she was sworn in as Deputy Premier and Minister for Environment and Water on 21 March 2022.