John Tierney (Australian politician)

John Tierney (born 24 April 1951) is an Australian politician who was a Liberal Party member of the Australian Senate for New South Wales from 2005 to 2011.

Tierney was born in Mudgee, New South Wales. Before entering politics, he was an academic and administrator. He held a Bachelor of Arts and a Doctor of Philosophy (PhD) from the University of Newcastle. He worked at various universities, including the University of Newcastle, where he was an Associate Professor of Education. He also held administrative roles such as the Deputy Vice-Chancellor (Academic) at the University of Newcastle.

Tierney was appointed to the Senate on 9 February 2005, filling a casual vacancy caused by the resignation of Senator John Tierney (no relation, despite the same name). He served on several Senate committees during his tenure, focusing on areas such as education, employment, and training.

Tierney lost his seat at the 2010 federal election. Since leaving politics, he has been involved in various consultancy and advisory roles.