Dame Margaret Anne Begg DBE is a Scottish politician who served as Member of Parliament (MP) for Aberdeen South from 1997 to 2015. A member of the Labour Party, she was Chair of the Work and Pensions Select Committee from 2010 to 2015.

Aberdeen South is a burgh constituency of the House of Commons of the Parliament of the United Kingdom and it elects one Member of Parliament (MP) by the first-past-the-post system of election.