David George Clark, Baron Clark of WindermerePC DL (born 19 October 1939 in Castle Douglas, Scotland) is a British Labour politician, former cabinet minister and author.
He attended Bowness Elementary School and Windermere Grammar School in Cumbria. After leaving school, he worked as a forester and then as a Laboratory Assistant in a textile mill before becoming a student teacher in 1959.
He attended the University of Manchester as a mature student from 1960, gaining a BA in Economics, then later an MSc. He was President of the Students' Union. In 1978 he gained a PhD from the University of Sheffield.
He was a Lecturer in Government and Administration at the University of Salford from 1965–70 and a Tutor at University of Manchester from 1967-1970.
He joined the Labour Party in 1959 and the Co-operative Party two years later. He stood unsuccessfully for Manchester Withington at the 1966 General Election, but was defeated by the incumbent Conservative, Sir Robert Cary.