Big Ideas is an Australian weekly radio program on ABC Radio National which presents lectures or panels on ideas or issues of particular importance. It is also available as a podcast. It has been presented by Natasha Mitchell since 10 April 2023[1] when she replaced Paul Barclay,[2] who had presented the program since at least January 2002.[3]
Until the end of 2014,[4] ABC TV also broadcast a television edition of Big Ideas, hosted by Waleed Aly.[5]