Marlyn Glen (born 30 September 1951, Dundee) is a Scottish Labour politician, and was Member of the Scottish Parliament for North East Scotland region from 2003 to 2011.
She was educated at Kirkton High School in Dundee, and attended the University of St Andrews and the University of Dundee. She has also completed several Open University degree courses. Prior to her election to Holyrood she worked as a teacher in Liverpool, Ayr, Irvine and Dundee and is a member of the Educational Institute of Scotland trade union. She was also a Dundee District Council councillor. Her husband, Neil Glen, was also a councillor and died in 2004. She was also an Honorary Vice President of English-Speaking Union Scotland.
Glen is on the left of the Scottish Labour Party and remains a supporter of the Campaign for Nuclear Disarmament. She is also a member of the Scottish Campaign for Socialism that backed John McDonnell's bid for the leadership of the Labour party.