Allan Herbert Miller Fels (born 7 February 1942) is an Australian economist, lawyer and public servant.
He was most widely known in his role as chairman of the Australian Competition and Consumer Commission (ACCC) from its inception in 1995 until 30 June 2003.
Upon his retirement from the ACCC, he became foundation dean of the Australia and New Zealand School of Government (ANZSOG) until January 2013.
He continues to be a fellow of that school, which provides training programs for very senior officials in the Australian and New Zealand Government and also for officials in other governments in the region, such as China and India (in both of which Fels has been leader).
Fels is also currently a professorial fellow in both the Institute of Applied Economic and Social Research and in the Melbourne Law School at the University of Melbourne, an honorary professor in the Faculty of Business and Economics at Monash University and a visiting professor in the School of Social Sciences at Oxford University.
In addition, Fels has been involved in a significant number of government inquiries or task forces in recent years concerning, for example, taxis, executive pay, migrant workers underpay and has had regulatory roles in Victoria and New South Wales mainly regarding insurance prices and electricity.
Fels has also been prominent in the field of mental health as chair of Australia's National Mental Health Commission and as chair of the Haven Foundation, which provides accommodation, care and support for people with severe persistent mental illness.