Old Abingdonians are former pupils of Abingdon School or, in some cases, Honorary Old Abingdonians who have been awarded the status based on service to the School. The Old Abingdonians also run the Old Abingdonian Club (OA club), an organisation hosted by the school. It was founded in 1743.

Born in the 12th century St Edmund Rich (St Edmund of Abingdon) (–1240), Archbishop of Canterbury 1233–1240 (may have attended Abingdon)

Born in the 16th century

Sir John Bennet (1552–1627), Chancellor of the Diocese of York, Judge and politician William Bennet (1553–1609), MP and founder of the Bennet scholarship John Blacknall (1583–1625), land and mill owner and founder of Blacknall bequest Sir John Mason (1502–1566), diplomat, spy, and Chancellor of Oxford University Robert Payne (1596–1651), English cleric and academic John Roysse (1500–1571), mercer, re-endowed Abingdon School in 1563 Sir Thomas Smith, (1556?–1609), Judge and Member of Parliament Christopher Tesdale (1592–1655), member of the Westminster Assembly, of Divines Thomas Tesdale (1547–1610), maltster and benefactor, established the Tesdale Ushership

Born in the 17th century

Phanuel Bacon (1699–1783), playwright, poet and author Clement Barksdale (1609–1687), religious author, polymath and Anglican priest Colwell Brickenden (1663–1714), clergyman and Master of Pembroke College, Oxford Colonel James Bringfeild, (1656–1706), equerry to Prince George of Denmark and Aide-de-camp to the Duke of Marlborough Joseph Cox (1697–1753), High Sheriff of Berkshire Thomas Daffy (1617–1680), inventor of Daffy's Elixir Walter Dayrell (1610–1684), Archdeacon of Winchester Walter Harte (1650–1735) Prebendary of Bath and Wells and a principal pillar of the Nonjuring schism cause Sir John Holt (1642–1710), Lord Chief Justice William Hunt (1669–1733), Archdeacon of Bath James Jennings (1670–1739), MP and landowner Henry Langley (1610–1679), nonconformist minister and Master of Pembroke College, Oxford Matthew Panting (1682–1739), Master of Pembroke College, Oxford Sir Edward Turnour (1617–1686), Speaker of the House of Commons

Born in the 18th century

William Adams (1706–1789), Master of Pembroke College, Oxford Sir Henry Atkins (1726–1742), 5th Baronet of Clapham Sir Richard Atkins (1728–1756), 6th Baronet of Clapham & High Sheriff Lord James Beauclerk (1709–1787), Bishop of Hereford, 1746–1787 Richard Brickenden (1701–1779), Archdeacon of Wiltshire Sir Charles Bagot Chester, 7th Baronet (1724–1755), 7th Baronet of Chicheley John Bush (High Sheriff) (1745–?), High Sheriff of Oxfordshire John Clarke (1732–1781), Provost of Oriel College, Oxford William Wiseman Clarke (1759–1826), High Sheriff of Berkshire Sir Francis Clerke, 7th Baronet (1748–1777), baron, killed at Battles of Saratoga Sir William Clerke, 8th Baronet (1751–1818), baron and clergyman Sir Henry D'Anvers, 4th Baronet (1731–1758), 4th Culworth baronet Sir Michael D'Anvers, 5th Baronet (1738–1776), High Sheriff of Northamptonshire James Dashwood (1715–1779), politician Henry Dawkins (1728–1814), Member of Parliament James Dawkins (1722–1757), antiquary and Jacobite Sir John D'Oyly, 4th Baronet (1702–1773), 4th baronet of Chislehampton William Horton (–1749), leading military aide and builder of Horton House Daniel Dumaresq (1712–1805), St Petersburg Academy of Sciences, educationalist Thomas Dudley Fosbroke, (1770–1842), antiquary James Gerard (1741–1783), Warden of Wadham College, Oxford Richard Graves (1715–1804), clergyman, writer and translator George William Hall (1770–1843), Master of Pembroke College, Oxford William Hawkins (1722–1801), clergyman, poet and dramatist Sir Thomas Head (1715–1779), High Sheriff of Berkshire Henry Howe (1716–1781), 3rd Baron Chedworth John Howe (1714–1762), 2nd Baron Chedworth William Huddesford (1732–1772), Keeper of the Ashmolean Museum Clement Hue (1779–1861), physician Sir Justinian Isham, 7th Baronet (1740–1818), High Sheriff of Northamptonshire Sir Robert Jenkinson, 5th Baronet (1720–1766), 5th Baronet of Walcot and Hawkesbury George Knapp (1754–1809), British Member of Parliament for Abingdon John Loder (–1805), clergyman, landowner and founder of the Old Berkshire Hunt Edward Morant, (1730–1791), Member of Parliament Philip Morant (1700–1770), historian John Morton (–1780), MP William Newcome (1729–1800), Bishop and Archbishop of Armagh John Nourse (1705–1780), bookseller John Ratcliffe (1700–1775), clergyman and Master of Pembroke College, Oxford George Rowley (1782–1836), Master of University College, Oxford Clement Saxton (1724–1810), High Sheriff of Berkshire William Sergrove (1746–1796), clergyman and Master of Pembroke College, Oxford John Smyth (1744–1809), clergyman and Master of Pembroke College, Oxford Thomas Stock (1750–1803), social reformer, established the first Sunday school in England Major-General John Tombs (1777–1848), British East India Company and Indian Army Henry Leigh Tracy, 8th Viscount Tracy (1732–1797), 8th Viscount Tracy John Tracy (1722–1793), Viscount and Warden of All Souls College William Walker (1704–1761), Principal of New Inn Hall Philip Wenman, 6th Viscount Wenman (1719–1760), politician Thomas Whorwood (1718–1771), High Sheriff of Oxfordshire.

Born in the 19th century

Sir William Boxall (1800–1879), painter, director of the National Gallery James Brooks (1825–1901), Gothic Revival architect Sir Michael Bruce (1894–1957), author, traveller and adventurer Nigel Bruce (1895–1953), actor Oswald Couldrey (1882–1958), author and watercolourist Louis Davis (1860–1941), Arts and Crafts stained glass artist Charles Harvey Dixon (1862–1923), politician John William Duncan (1885–1963), Welsh field hockey international Edward Ede (1834–1908), cricketer, Hampshire CCC George Ede (1834–1870), cricketer, captain, Hampshire CCC & Grand National winner 1868 Harold Gilman (1876–1919), painter, founder member of the Fitzroy Group Henry Rudge Hayward (1831–1912), Archdeacon of Cheltenham and Cirencester Colonel Lacey Robert Johnson (1858–1915), Canadian Pacific Railway pioneer Thomas Malcolm Layng (1892–1958), Deputy Chaplain-General to the Forces, 1945, and Archdeacon of York Henry Medd (1892–1977), architect and church designer in Delhi John Theobald Milne (1895–1917), English fighter pilot and flying ace Edward Dorrien Newbolt (1843–1889), British Army officer Tracy Philipps (1888–1959), intelligence officer (Arab Bureau), later colonial official and conservationist Arthur Edwin Preston (1853–1942), mayor of Abingdon, Master of Christ’s Hospital Harry Redfern (1861–1950), architect Richard Rice, (1886–1939), 1912 Summer Olympics athlete William Henry Richardson (1836–1909), historian Norman Riches (1883–1975), cricketer, captain, Glamorgan CCC William Collinson Sawyer (1832–1868), Bishop of Grafton and Armidale, New South Wales William Alder Strange (1813–1874), headmaster and author Major-General Sir Henry Tombs VC KCB (1824–1874), Indian Mutiny Victoria Cross Willoughby Weaving (1885–1977), First World War poet Eric Whelpton (1894–1981), author and traveller

Born in the 20th century

Roger Ainsworth+ (1951–2019), professor and Master of St Catherine's College, Oxford Sir Clive Alderton KCVO (born 1967), British diplomat and courtier James Allison (born 1968), designer, engineer, and technical director of Mercedes Sir Eric Anderson+ (1936–2020), teacher and educator James Anderson-Besant (born 1998), British organist and choir director Jamie Anderson (born 1985), producer Mark Andrews (1959–2020), University boat race rower Phil Baker (born 1975), rowing world championship medallist Michael Bartlett (born 1980), playwright and actor Michael Bateman (1932–2006), journalist and author John Beyer (born 1950), former diplomat Roger Blackmore (born 1941), politician and Lord Mayor of Leicester David Bobin (1945–2017), sports journalist Robin Bourne-Taylor (born 1981), Olympic rower James Bowler (born 1973), civil servant Peter Bradley (born 1953), Labour MP for the Wrekin Mark Bretscher (born 1940), biological scientist, FRS Nick Brodie (born 1986), University boat race cox Theo Brophy-Clews (born 1997), rugby union player Will Carter Keall (born 1997), EHL premier division hockey player Edward Castle, Baron Castle (1907–1979), British journalist and politician Sir Paul Robert Virgo Clarke KCVO (born 1953), government official Jamie Cook (born 1992), University boat race rower Oliver Cook (born 1990), international and world champion rower Cecil Davidge (1901–1981), lawyer and academic of Keble College, Oxford Sir Kim Darroch KCMG (born 1954), senior British diplomat Dawson Bros., comedy writers Tim Dawson (born 1988), screenwriter John Dewar, (born 1959), academic and law specialist Michael Dewar, (born 1997), Scottish rugby player Thomas Digby (born 1998), world champion rower Sir Chris Dobson (1949–2019), professor and academic, FRS Thomas Dolby (born 1958), musician and producer Jonny Donahoe (born 1983), comedian and writer Jon Dunbar (born 1980), international rugby union player Dick Eason (1902–1978), University boat race blue Edward Wilson (Eddie Eyre) (born 1988), actor Anthony Fawcett (born 1948), writer, art critic, and a former personal assistant to John Lennon Alex Fisher (born 1990), professional footballer Andrew Fisher (born 1965), physicist Michael Fortescue (born 1946), professor and academic Sir Andrew Foster (born 1944), British public servant Justin Frishberg (born 1972), Paralympic Games wheelchair rugby player Ben Gannon (born 1975), professional cricketer Alex Greaney (born 1975), University boat race cox Theo Green (born 1973), film composer, Oscar winner John William Greening MBE (1922–2010), benefactor and philanthropist Colin Greenwood (born 1969), member of Radiohead Jonny Greenwood (born 1971), member of Radiohead Magnus Gregory (born 1998), England international canoeist Michael Grigsby (1936–2013), film-maker Bruce Duncan Guimaraens (1935–2002), port wine maker, head of Guimaraens Taylor Fonseca, Porto Matthew Harding (1953–1996), businessmen and vice-chairman of Chelsea Football Club Martin Haycock (born 1973), University boat race cox Nick Hayes (born 1982), writer, illustrator, and campaigner Robert Hayward, Baron Hayward OBE (born 1949), Conservative MP for Kingswood Michael Hill (born 1951), English cricketer Sir John Hills, (1954–2020) professor and academic Michael Holding, (born 1958), filmmaker and director Tom Hollander (born 1967), actor Michael Howat (born 1958), English cricketer Martin Hyder (born 1961), actor and writer Adam Janisch (born 1975), English cricketer Philip Johnson (born 1972), lead architect for the London Stadium for the London 2012 Olympic Games Toby Jones (born 1966), actor Eddy Joseph (born 1945), sound engineer Sir Nicholas Kay KCMG (born 1958), British diplomat Tom Kempinski (1938–2023), playwright and actor Joseph Kennedy (born 1981), actor Robin Kermode (born 1958), communication coach and former actor Bryan Kibble (1938–2016), British physicist, inventor of the Kibble balance Martin Landray, physician, epidemiologist and data scientist Nicholas Lemoine, (born 1957) professor and academic Martin Lisemore (1939–1977), television producer Matthew Lodge (born 1968), diplomat Hugh Lunghi (1920–2014), British military interpreter and Foreign Office Ben Macintyre (born 1963), author and journalist Richard McMahon (born 1962), Bailiff of Guernsey Angus McPhail (born 1956), cricketer and warden of Radley College Toby Marlow (born 1994), writer and composer Francis Maude (born 1953), MP for North Warwickshire and Horsham, Chairman of the Conservative Party Ian Middleton (born 1995), university boat race cox David Mitchell (born 1974), comedian and actor Chris Newman (born 1990), field hockey international Felix Newman (born 1993), University boat race rower