The following is a list of notable past pupils of Sydney Grammar School (SGS), an independent, non-denominational day school for boys, located in Sydney, Australia.

Former pupils of the school are known as Old Sydneians.

Politics, public service and the law

Lawyers High Court of Australia Sir Edmund Barton (1859–1864), former Justice of the High Court of Australia and the first Prime Minister of Australia William Gummow, former Justice of the High Court of Australia Sir Anthony Mason, former Chief Justice of the High Court of Australia and chancellor of the University of New South WalesThe Chancellors of the University of New South Wales Exhibition University of New South Wales. Retrieved 9 December 2006. Sir Richard O'Connor (1867), former Justice of the High Court of Australia and politician Albert Piddington, former Justice of the High Court of Australia Albert Bathurst Piddington (1862–1945) Mitchell Library, State Library of New South Wales. Retrieved 4 January 2007. Sir George Rich, former Justice of the High Court of Australia Sir Victor Windeyer, former Justice of the High Court of Australia

Federal Court of Australia James Allsop AO, current Chief Justice of the Federal Court of Australia John Lehane, former Justice of the Federal Court of Australia

Supreme Court of New South Wales Andrew Bell, current Chief Justice of New South Wales and Lieutenant-Governor of New South Wales Sir Leslie Herron, former Chief Justice of the Supreme Court of New South Wales Kim Santow, former Justice of the Supreme Court of New South Wales Court of Appeal, and a former chancellor of the University of SydneyAn Appreciation, Geza Francis Kim Santow 1941 – 2008, University of Sydney Sir Kenneth Street, former Chief Justice of the Supreme Court of New South WalesThe Honourable Sir Kenneth Whistler Street, K.C.M.G., K.St.J. Lawlink NSW. Retrieved 31 December 2006. Sir Philip Street, former Chief Justice of the Supreme Court of New South Wales

Other notable lawyers Alan Blow AO, current Chief Justice of Tasmania and Lieutenant-Governor of Tasmania Sir Norman Cowper, former lawyer. businessman, and administrator

Politicians Australian parliament Sir Edmund Barton (1859–1864), the first Prime Minister of Australia; Justice of the High Court of AustraliaEdmund Barton Cricinfo. Retrieved 9 December 2006. Peter Baume, former Senator for New South Wales; physician; chancellor of the Australian National UniversityFoundations Sydney Grammar School. Retrieved 31 December 2006. Max Falstein, Member for Watson (1940–1949) in the Australian House of Representatives Paul Fletcher, Member for Bradfield in the Australian House of Representatives Sir William McMahon (in office 10 March 1971 – 5 December 1972), 20th Prime Minister of AustraliaAustralia's Prime Ministers - Fast Facts - McMahon National Archives of Australia. Retrieved 9 December 2006. Harold Thorby, former member for Calare in the Australian House of Representatives and NSW government minister Malcolm Turnbull, 29th Prime Minister of AustraliaMalcolm Turnbull defeats Tony Abbott in leadership spill Sydney Morning Herald. Retrieved 14 September 2015. Warwick Stacey, One Nation Senator

New South Wales parliament Sir George Fuller, former Premier of New South Wales Alex Greenwich, current Member for SydneyRetrieved 26 June 2013. Sir Norman Kater, politician, medical practitioner and grazier James Macarthur-Onslow, member of both the Legislative Assembly and the Legislative Council; Australian Army Major General; later a businessman John Maddison, former Attorney General of New South Wales Harold Thorby, former NSW government minister and Member for Calare in the Australian House of Representatives Andrew Tink, former politician, historian and authorWho's Who in Australia 2011 page 2106

Other state parliaments Alan Cobcroft, former member of the Legislative Council of SamoaSamoan elections Pacific Islands Monthly, December 1932, pp38–39 John Fletcher, former Member of the Queensland Legislative Assembly and cricketer Charles Mein (1857–1859), justice of the Supreme Court of Queensland, Member of the Queensland Legislative Council Sir Boyd Dunlop Morehead, former Premier of Queensland

Local government and community activism George Newhouse, former mayor of Waverley Municipal CouncilTale of the tape: Malcolm Turnbull v George Newhouse The Australian Jewish News. Retrieved 26 September 2007. Brett Solomon, co-founder of accessnow.org

Public servants Vivian Brain, former electrical engineer and first deputy-chairman of the Electricity Commission of New South Wales Nicholas Cowdery, former Director of Public Prosecutions in New South WalesRotary Bulletin Vol 30 No 15 Rotary Club of Berowra Inc.. Retrieved 31 December 2006. James Fraser, former civil engineer and Chief Commissioner of New South Wales Government Railways from 1917 to 1929 Sir Robert Garran, former lawyer and first Solicitor-General of Australia Sir Hubert Murray, former Lieutenant-Governor of the Territory of Papua and boxer

Military service General John Antill, Australian Army Major General during World War IMajor General John Antill University of New South Wales. Retrieved 5 January 2007. Clive Caldwell, Royal Australian Air Force World War II ace fighter pilotGroup Captain C R "Killer" Caldwell, 1 Fighter Wing, RAAF Digger History. Retrieved 5 January 2007 General Sir Harry Chauvel, Australian Army Chief of Staff General John Grey, Australian Army Chief and chancellor of James Cook University James Gordon Legge, Australian Army Lieutenant General during World War I James Macarthur-Onslow, Australian Army Major General during the Second Boer War and World War I, and later politician and businessman Henry Normand MacLaurin, Australian Army Brigadier General during World War IBrigadier General Henry MacLaurin Australian Defence Force Academy. Retrieved 31 December 2006.

Humanities Academia Henry Kingsley Archdall, academic and clergyman Sir Christopher Clark, academic and Regius Professor of History at the University of Cambridge Alec Hill, historian Dr Stephen Spurr, headmaster at the Westminster SchoolWestminster welcomes Dr Stephen Spurr Old Westminsters Online. Retrieved 2 September 2007. E. G. Waterhouse, linguist, professor of German at the University of Sydney, plant breeder

Social sciences Hugh Mackay, social commentator and former chairman of trustees of Sydney Grammar SchoolHugh Mackay Financial Demographics - Population, Financial and Investment News. Retrieved 12 December 2006. Malcolm Mackerras, psephologistAppendix IV: Contributors The Samuel Griffith Society. Retrieved 7 January 2007

Media and journalism George Blaikie, author and journalist Richard Carleton, reporter with the Australian edition of 60 MinutesRichard Carleton 60 Minutes Online. Retrieved 12 December 2006. Charles Firth, member of The Chaser comedy teamCutting to The Chaser The Age. Retrieved 12 December 2006. Bruce Gyngell, first man to appear on Australian televisionGyngell, Bruce The Museum of Broadcast Communications. Retrieved 12 December 2006. Paul Karp, chief political correspondent at Guardian Australia Dominic Knight, member of The Chaser comedy team Chas Licciardello, member of The Chaser comedy team Tim Palmer, journalist with the Australian Broadcasting CorporationDr Rowan Gillies, Tim Palmer & Andrew Lock Sydney Grammar School Old Sydneians' Union. Retrieved 5 January 2007. Siimon Reynolds, Australian advertising executive who developed the Grim Reaper advertisement for AIDS awareness Nicholas Stuart, author and journalist Jonathan Swan, journalist with Axios

Business Len Ainsworth, founder of Aristocrat Leisure Demetrius Comino, engineer, inventor and philanthropistDarbyshire, Anthony, and Duckworth, Eric (2011), Demetrius Comino: A life and legacy of achievement, Comino Foundation. James Oswald Fairfax (1863–1928), newspaper proprietorSir David Griffin: Renaissance Man NLA News. May, 2003. Retrieved 9 December 2006. James Reading Fairfax (1834–1919), newspaper proprietor David Gonski, current chairman of the Future Fund, Coca-Cola Amatil, Australia Council chairman, and chancellor of the University of New South Wales Simon Hannes, Macquarie Bank executive who was convicted of insider trading Sir Samuel Hordern, a director of Anthony Hordern & Sons Steven Lowy, co-chief executive officer of Westfield Corporation

Sport Athletics Slip Carr, Australian Olympian sprinter (1924) Lachlan Renshaw, Australian Olympian middle-distance runner (2008)

Boxing Sir Hubert Murray (1872–1877), English Amateur Heavyweight Boxing Champion; lieutenant-governor of the Territory of Papua

Cricket Eric Barbour, NSW cricketer with 23 first-class matches and 1,577 runs Sir Edmund Barton (1859–1864), first-class umpire; first Prime Minister of Australia Jim Burke, Australian international with 24 tests and 1,280 runs Albert Cotter, Australian international with 21 tests and 89 wickets John Fletcher, Queensland cricketer with 3 first-class matches and 97 runs Sir Norman Gregg, NSW cricketer with 3 first-class matches and 116 runs Hunter Hendry, Australian international with 11 tests and 335 runsStork Hendry Cricinfo. Retrieved 12 December 2006. Sammy Jones, Australian international with 12 tests and 428 runs Alan McGilvray, NSW cricketer with 20 first-class matches and 684 runs, most notable for his cricket radio broadcastingAlan David McGilvray, AM, MBE Cricinfo. Retrieved 12 December 2006. William Robison, NSW cricketer with 1 first-class match and 15 runs Fred Spofforth, Australian international with 18 tests and 94 wickets; first test cricketer to take a hat-trick Alan Walker, NSW and Nottingham cricketer with 94 first-class matches and 221 wickets; also played for Australia in rugby union Sammy Woods, Australian and England international with 6 tests and 10 wickets; also played for England in rugby union"Sammy Woods". Cricinfo. Retrieved 12 December 2006.

Rowing Mervyn Finlay, Australian Olympian (1952; 1 bronze medal) Joe Gould, Australian Olympian (1936) Frederick Septimus Kelly, British Olympian (1908; 1 gold medal) Vic Middleton, Australian Olympian (1952) Hugh Ward, Australasian Olympian (1912); soldier who was awarded the Military Cross and two Bars Stuart Welch, Australian dual Olympian (2000 and 2004; 1 silver medal, 1 bronze medal)Stuart Welch Rowing Australia. Retrieved 12 December 2006.

Rugby league Dallas Hodgins, North Sydney Bears player Nick Pappas (1969–1978), chairman of South Sydney Rabbitohs In George We Trust ABC Documentary Transcript. Broadcast on 2 August 2001.

Rugby union Malcolm Blair, Australian international with 3 caps and 0 points Ernie Carr, Australian international with 6 caps and 3 points; brother of Slip Carr Slip Carr, Australian international with 4 caps and 9 points; Australian Olympic athlete; brother of Ernie Carr Tim Clark, Australian sevens international Cam Crawford, NSW Waratahs and ACT Brumbies player with 13 Super Rugby caps and 40 points Emile de Lissa, President, Barbarian F.C. David Emanuel, Australian international with 9 caps and 0 points Arthur Finlay, Australian international with 12 caps and 0 points Charlie Fox, Australian international with 17 caps and 6 points; also the Australian captain Charles Hammand, Australian international with 2 caps and 0 points Bill Hemingway, Australian international with 5 caps and 9 points Julian Huxley, Australian international with 9 caps and 22 points Wal Ives, Australian international with 5 caps and 0 points Doug Keller, Australian and Scotland international with 13 caps and 0 points; also Scottish captain Bob Loudon, Australian international with 13 caps and 12 points; Australian captain; brother of Darby Loudon Darby Loudon, Australian international with 4 caps and 5 points; Australian captain; brother of Bob Loudon