This is a list of notable old boys of Cranbrook School, Sydney, former students – known as "Old Cranbrookians" – of Cranbrook School, an Anglican school in Bellevue Hill, New South Wales, Australia.

• Prof. David Cooper AC FRACP FRCP FAA FAHMS – HIV researcher^[1]
• Prof. James Dale AC – Professor of biotechnology at Queensland University of Technology (QUT)
• Prof. Richard Hunter FBA – Regius Professor of Greek and Fellow of Trinity College, the University of Cambridge^[2]
• Earl Owen AO – microsurgeon pioneer
• Yi-Fu Tuan – Emeritus Professor at the University of Wisconsin-Madison; one of the first Cranbrook students of Asian descent^[3]

• Rodney Adler – former director of failed telecommunications company One.Tel and HIH Insurance^[4]
• Mike Cannon-Brookes – CEO and co-founder of Atlassian^[5]
• Michael Crouch AC – former Chairman of Zip Industries^[6]
• Ken Dixon – chairman of Rowntree's
• James Fairfax AC – former arts patron and philanthropist (also attended Geelong Grammar School)^[7]
• David Gyngell – CEO of Australian commercial broadcasting network, Channel Nine^[8][9]
• Samuel Hordern CMG – stockbroker and Grazier^[10]
• The Hon Clyde Packer – journalist, media entrepreneur, politician and author^[11]
• James Packer AM – chairman of CPH Investments and Crown Limited^[8][9]
• Kerry Packer AC – former media tycoon^[12]
• Jodee Rich – founder of One.Tel and PeopleBrowsr^[13]

• The Hon Tim Bruxner – former elected member of the NSW Parliament and Deputy Premier of New South Wales^[14]
• Ben Franklin – elected member of the Legislative Council of New South Wales^[15]
• Hugh Gilchrist OAM – diplomat and author of Australians and Greeks^[16]
• Sir David Griffin CBE – elected 74th Lord Mayor of Sydney^[17]
• Michael Knight AO – elected former member of the NSW Parliament and Sydney 2000 Olympics Minister^[18]
• Julian Martin Leeser – member for Berowra^[19]
• Thomas Walter Mitchell – Country Party member for Benambra in the Victorian Legislative Assembly and Attorney-General
• The Hon Dugald Munro CMG – former grazier and Member for Eden-Monaro
• Andrew Rogers AO, QC – justice of the Supreme Court of New South Wales; spouse of Helen Coonan, a former Australian Senator^[20]
• John Spender KC – Liberal party member for North Sydney and Australian Ambassador to France
• The Hon Sir Laurence Whistler Street AC, KCMG – 14th Chief Justice of New South Wales^[10]

• Oliver Ackland – actor^[21]
• Sumner Locke Elliott – writer, playwright
• Billy Field – singer and songwriter^[22]
• John Gaden AO  – actor^[23]
• Peter Kingston AM – artist
• Mungo Wentworth MacCallum – political journalist, humorist and commentator^[24]
• Jim Maxwell AM – ABC Radio cricket commentator^[10]
• Garry McDonald AO – comedian, star of Mother and Son and creator of alter-ego Norman Gunston^[10]
• Craig McGregor – writer/novelist, academic, and cultural critic^[25]
• Andrew Pfeiffer – landscape architect^[26]
• Sam Reid – film & television actor, co-lead of Interview with the Vampire and The Newsreader^[27]
• Adam Shand – writer and freelance journalist, located in Africa for three years to report on Rwanda and Zimbabwe^[28]
• Martin Sharp AM – artist, cartoonist, songwriter, and filmmaker^[10]
• Tony Sheldon – stage actor/singer, film and TV actor^[29]
• Harvey Shore – Logie-winning TV writer/producer^[30]
• Nick Vindin – kids TV host, all-rounder, entrepreneur sports presenter with SBS World News Australia; travel correspondent with Smooth radio network
• Peter Vogel – co-designer of the Fairlight CMI^[31]
• Patrick White – writer awarded the Nobel Prize in Literature^[32]
• Kip Williams – Artistic Director of Sydney Theatre Company^[33]
• Simon Wincer – film director^[34]

• Group Captain Pete Jeffrey DSO, DFC – WWII fighter ace^[35]
• Air Marshal Sir James Anthony Rowland AC, KBE, DFC, AFC – former naval officer, Governor of New South Wales and Chancellor of the University of Sydney^[36]

• Daniel Batman (1998) – Sydney 2000 Olympic 400m runner (also attended The Scots College)
• Edward Cowan (2000) – Australian test cricketer
• Paul Darveniza – international Rugby Union Wallaby
• James Hunter (2009) – basketball player^[37]
• Luke Kendall – Australian basketball player
• Will Langford (2010) – Australian rules football premiership player (2014) for Hawthorn Football Club^[38]
• Cecil Purdy AO – chess International Master and inaugural World Correspondence Chess champion
• Murray Rose AM (1956) – Olympic gold medal swimmer^[39]
• Steven Solomon (2011) – London 2012 Olympic 400m runner^[40]
• William Somerville – New Zealand cricket bowler^[41]
• Ed Stubbs (2006) – Australian Rugby 7s representative^[42]

• Combined Associated Schools
• Category:People educated at Cranbrook School, Sydney