Mark Alfred Dreyfus is an Australian politician and lawyer who has been attorney-general of Australia and cabinet secretary since June 2022, having held both roles previously in 2013 and from 2010 to 2013 respectively. Dreyfus is a member of the Australian Labor Party (ALP), and has been the MP for Isaacs since the 2007 election.

The attorney-general of Australia (AG) is the minister of the Commonwealth of Australia who is the chief law officer of the government. They are charged with overseeing the national legal affairs and public security as the head of the Attorney-General’s Department. The current attorney-general is Mark Dreyfus, who was chosen by prime minister Anthony Albanese on June 2022 following the 2022 federal election. By convention, the attorney-general is a lawyer.