This is a list of notable former students of the school Haileybury in Keysborough, Brighton and Berwick, Victoria, Australia. They are known in the school as "Old Haileyburians".^[1]

Academia

• Professor Jeff Borland – Professor of Economics at the University of Melbourne
• Professor Roderick Weir Home – Senior Lecturer, Foundation Professor of History and Philosophy of Science at The University of Melbourne and Fellow of the Australian Academy of the Humanities, awarded the Academy Medal of The University of Melbourne
• Professor David Lowe – Professor of History at Deakin University
• Professor Julian Savulescu – Professor of Ethics at Oxford University

Clergy

• Gregor Henderson – President of the Uniting Church in Australia

Media, entertainment and the arts

Law

• Sir Wilfred Fullagar – Justice of the High Court of Australia and Knight Commander of the Order of the British Empire
• Lex Lasry – Judge of the Supreme Court of Victoria
• Simon Molesworth – Acting Judge of the Land and Environment Court of New South Wales (2017), environmental and planning lawyer, company director, Chairman of the Steering Committee, previously Chairman of the Australian Council of National Trusts
• Ross Sundberg – Judge of the Federal Court of Australia

Military

Politics

• Tim Holding – former Victorian Labor MLA for Springvale 1999–2002 & Lyndhurst 2002–2013
• Martin Pakula – Former Victorian Labor MLA for Lyndhurst 2013–2014 & Keysborough 2014–2022
• Alan Tudge – Liberal Party of Australia Federal MP for Aston 2010–2023
• Nick Wakeling – Victorian Liberal MLA for Ferntree Gully 2006–2022

Sport

Other

• Basil George Watson – pioneer Australian aviator