Marion Maddox was an Australian author, academic, and political commentator. She was a professor in the department of Modern History, Politics and International Relations at Macquarie University. She was a regular commentator on issues of religion and politics in the Australian media and was a member of the Uniting Church. She authored the book God Under Howard: The rise of the religious right in Australian politics which compared the Howard Government with the religious right in the United States and criticised the decline of mainstream Christianity in Australia.