Marielle Catherine Smith (born 30 December 1986), also known as Marielle Feuerherdt Smith, is an Australian politician. She is a member of the Australian Labor Party (ALP) and has served as a Senator for South Australia since 2019.

Marielle Catherine Smith,^[1] also referred to as Marielle Feuerherdt Smith,^[2][3] was born on 30 December 1986 in Sydney.^[4] Her mother was born in the United Kingdom and she held British citizenship by descent until renouncing it in 2018 prior to running for parliament.^[2]

Smith attended University Senior College in Adelaide, South Australia.^[5][6] She holds the degrees of Bachelor of Arts from the Australian National University and Master of Science from the London School of Economics.^[4]

After graduating from ANU she joined the Australian Public Service through the Department of the Prime Minister and Cabinet's graduate program.^[5]

Smith has undertaken volunteer work with non-government organisations in Ghana and Sierra Leone.^[5] She is a former board member of Transit Systems, a bus company co-founded by her father Neil.^[7][8] She can drive articulated buses.^[9]

Smith joined the Australian Labor Party (ALP) at a young age. She worked for Labor MP Kate Ellis as a researcher (2005–2008) and ministerial adviser (2010–2012), and later as a senior policy adviser to Prime Minister Julia Gillard. She regards both Ellis and Gillard as mentors.^[10]

In 2017, Smith was elected to the ALP state executive and state council. She also served as a delegate to the Australian Labor Party National Conference.^[4] In 2018, she was a preselection candidate for the Division of Adelaide.^[11]

Smith was elected to the Senate at the 2019 federal election. She is a member of several Senate committees.^[4] She has been identified as a member of the Labor Right faction.^[11]

In her maiden speech to the Senate, Smith called for Labor to retain its 2019 election policy of funding preschool for three-year-olds "to ensure all children can access world-leading early education and care, regardless of what their parents do, how much they earn or where they live."^[12]

Smith is married with two children and three step-children.^[13] Her husband Clint Feuerherdt is the managing director of SeaLink Travel Group and former CEO of Transit Systems.^[14][15]