List of old boys of St Peter's College, Adelaide

This is a List of old boys of St Peter's College, Adelaide, former students of the Anglican school, St Peter's College in Adelaide, South Australia, Australia.

Nobel laureates

 * Sir William Lawrence Bragg, Nobel prize in Physics, 1915
 * Howard Walter Florey, Baron Florey, Nobel prize in Physiology or Medicine, 1945
 * J. Robin Warren, Nobel prize in Physiology or Medicine, 2005

Business

 * Sir James Hardy, three times America's Cup skipper and renowned winemaker
 * Essington Lewis, prominent industrialist
 * Frank Fancett Espie 1890–1962, Mining engineer, MD Western Mining Corporation, South Broken Hill etc.
 * Sir Frank Espie, 1917–2004 Mining engineer Directorships Rio Tinto (deputy chair), Bougainville Copper Chair, CRA, Woodside, Westpac etc. Captain 2nd AIF, North Africa, Borneo
 * Paul Robertson Espie, born 1945, founder and vice-chairman of the Pacific Road Group (investment banking); Director (since 2011) and Chairman (since 2019) of Menzies Research Centre; and Chairman / Non-Executive Director of Empire Energy

Clergy

 * Ian George, former Archbishop of Adelaide
 * Harold Eustace Sexton, former Archbishop of British Columbia

Entertainment and the arts

 * Walter Bagot, architect, founder of Woods Bagot
 * Greg Champion, folk singer and songwriter
 * Sam Clark, Neighbours actor and musician
 * Keith Conlon, television and radio personality
 * David Dridan, landscape painter, gallery director
 * Francis Greenslade, actor,writer, translator
 * Scott Hicks, film director
 * Peter Meakin, journalist and media executive
 * Peter Muller, architect
 * Tim Phillipps, actor
 * Richard Tipping, poet and artist

Judges, politicians, and public servants

 * Harold David Anderson, former ambassador
 * John Bannon, Premier of South Australia, 1982–1992
 * Sir Henry Barwell, Premier of South Australia, 1920–1924
 * James Vincent Seaton Bowen, Lord Mayor of Adelaide, 1979–1981
 * Sir John Cox Bray, Premier of South Australia, 1881–1884
 * Sir Richard Butler, Premier of South Australia, 1905
 * Sir John Downer, Premier of South Australia, 1885–1887 and 1892–1893
 * Don Dunstan, Premier of South Australia, 1967–1968 and 1970–1979
 * Sir Frederick Holder, Premier of South Australia, 1892 and 1899–1901
 * Sir Denzil Ibbetson, administrator in British India, author
 * George Leake, Premier of Western Australia, 1901 and 1901–1902
 * Tom Lewis, Premier of New South Wales, 1975–1976
 * Ian McLachlan, Australian Defence Minister, 1996–1998
 * Sir George John Robert Murray, Chief Judge of the Supreme Court of South Australia (1916–1942)
 * Sir John Northmore, Chief Justice of Western Australia from 1931 to 1945
 * Sir Arthur Rymill, Lord Mayor of Adelaide, 1950–1953
 * David Tonkin, Premier of South Australia, 1979–1982
 * Guy Debelle, Deputy Governor, RBA, 2016–2022
 * James Stevens, MP for Sturt, 2019–present

Medicine and the sciences

 * Dr Michael Alpers,, , emeritus professor, biologist, medical researcher of prion diseases, kuru, and doctor in tropical infectious diseases.
 * Sir Arthur Cudmore, Adelaide surgeon
 * Dr Richard Harris, anaesthetist, 2019 Australian of the Year
 * Dr Basil Hetzel, medical researcher
 * Hugh Possingham, conservation and environmental planning expert, applied mathematician, academic
 * Dr Andy Thomas, astronaut
 * Sir Joseph Verco, physician and conchologist
 * Professor Ravi Savarirayan, Human Geneticist, Rare diseases therapist
 * Emeritus Professor Warren J Ewens AO, FAA, FRS, eminent biostatistician, mathematician and creator of The Ewens Sampling Formula.

Military

 * Commander Francis Walter Belt, lawyer and explorer
 * Brigadier Arthur Seaforth Blackburn, soldier and lawyer; awarded the Victoria Cross in 1916
 * Colonel Harold Greenway, Croix de Guerre
 * Colonel Guy George Egerton Wylly, army officer; awarded the Victoria Cross in 1900 (also attended The Hutchins School)
 * General Tian Wang, Medal of Honor

Sports

 * Nathan Adcock, cricketer, former captain of Southern Redbacks
 * Bryan Beinke, footballer, former player at Adelaide Football Club
 * Michael Cranmer, cricketer, West End Redbacks
 * Phil Davis, footballer, current player at Greater Western Sydney Giants
 * Bob Elix, Port Adelaide and Darwin Football Clubs, AFL Chairman in Northern Territory
 * John Flood, medical practitioner who played cricket for Ireland
 * Henry Frayne, Australian Olympian in 2012 and 2016 in the long jump
 * Tom Harley, two time premiership captain with the Geelong Football Club; CEO of the Sydney Swans
 * Will Hayward, current footballer at the Sydney Swans
 * David Hayes, horse trainer
 * Riley Knight, footballer, current player at Adelaide Football Club
 * Philip Lee, Test cricketer and footballer for Norwood
 * Oscar McGuinness, Australian representative rower.
 * Andrew McKay, former footballer Carlton Football Club
 * Gillon McLachlan, CEO of the Australian Football League
 * Hamish McLachlan, Australian sports broadcaster
 * Will Minson, former footballer with the Western Bulldogs
 * Lachie Neale, 2020 and 2023 Brownlow Medallist, current footballer with the Brisbane Lions
 * Darren Ng, basketballer, former player with the Adelaide 36ers Basketball Club
 * Rod Owen-Jones, Olympian water polo player at the 2000 Summer Olympics, national team 1993–2000, and World Cup bronze medalist
 * Alex Ross, current cricketer, West End Redbacks and Adelaide Strikers
 * Hayden Stoeckel, Olympian swimmer and bronze and silver medalist at 2008 Summer Olympics
 * Richard Twopeny, founder of the SANFL, captain of Adelaide (SAFA) and Port Adelaide and player with South Melbourne
 * Dylan Stephens, AFL Footballer
 * Peter Yeo, Australian Rules Footballer with Port Adelaide, Sturt and Melbourne Football Club