Denise A. Austin is an Australian Pentecostal historian, particularly focused on Australia and the Asia-Pacific region.

[1] Austin was the Deputy Vice President of Research and Standards, and Professor of History at Alphacrucis College.

[4] She met and married her husband Garry while studying at Rhema Bible College in Townsville.

[5] In 2006, Austin became the Academic Dean of Garden City College and began lecturing on Church History and Missions.

[9] An article by Austin about the Prime Minister of Australia, Scott Morrison's personal faith and its influence on his response to women's rights and workplace sexual harassment, was published in the Sydney Morning Herald on 19 April 2021.