The following famous old boys of Eton College were born in the 20th century.
1900s
- HM King Leopold III of the Belgians (1901–1983), King of the Belgians, 1934–1951
- John Strachey (1901–1963)
- Philip Evergood (1901–1973)
- Victor Hely-Hutchinson (1901–1947)
- Sir Gubby Allen (1902–1989), England cricketer
- Lord David Cecil (1902–1986)
- Christopher Hollis (1902–1977)
- Dadie Rylands (1902–1999)
- HRH Prince Nicholas of Romania (1903–1978)
- Norman Rupert Barrett (1903–1979)
- Edward Chichester, 6th Marquess of Donegall (1903–1975)
- Cyril Connolly (1903–1974), author and journalist
- Alec Douglas-Home, Baron Home of the Hirsel (1903–1995), Secretary of State for Foreign Affairs, 1960–1963, 1970–1974, and Prime Minister, 1963–1964
- Sir John Heygate (1903–1976)
- Sir Roger Mynors (1903–1989)
- George Orwell (1903–1950), novelist
- Sir Steven Runciman (1903–2000)
- Sir Harold Acton (1904–1994)
- Francis Thomas Bacon (1904–1992)
- Cameron Fromenteel Cobbold, 1st Baron Cobbold of Knebworth (1904–1987), Governor, Bank of England, 1949–1961, and Lord Chamberlain, 1963–1971
- Oliver Messel (1904–1978), artist and stage designer
- Godfrey Meynell (1904–1935), North West Frontier Victoria Cross
- John Whitehead (1904–1960)
- Robert Byron (1905–1941), traveller, writer, art critic and historian
- Jake Carter (1905–1975)
- David Cecil, 6th Marquess of Exeter (1905–1981), hurdler, politician, and Chairman, 1936–1966, and President, 1966–1977, British Olympic Association
- Henry Green (1905–1973), novelist
- Bryan Guinness, 2nd Baron Moyne (1905–1992), poet and novelist
- Brian Howard (1905–1958)
- Frank Pakenham, 7th Earl of Longford (1905–2001)
- Sir Trenchard Cox (1906–1995)
- Anthony Powell (1906–2000), novelist
- Peter Fleming (1907–1971), writer, traveller and journalist
- Sir Rupert Hart-Davis (1907–1999)
- Quintin Hogg, Baron Hailsham of St Marylebone (1907–2001), Lord Chancellor, 1970–1974, 1979–1987
- John Lehmann (1907–1987), poet and editor
- Ian Fleming (1908–1964), novelist
- Sir Brinsley Ford (1908–1999)
- James Lees-Milne (1908–1997)
- Sir Anthony Wagner (1908–1995), herald
- Seymour Berry, 2nd Viscount Camrose (1909–1995), Chairman, The Daily Telegraph, 1987
- Paul Gore-Booth, Baron Gore-Booth (1909–1984), High Commissioner to India, 1960–1965, and Permanent Under Secretary of State for Foreign and Commonwealth Affairs, 1965–1969
- Charles John Lyttelton, 10th Viscount Cobham (1909–1977)
- John Murray (1909–1993)
- William Sidney, 1st Viscount De L'Isle (1909–1991), Second World War Victoria Cross
- Reynolds Stone (1909–1979)
1910s
- Sir Alfred Ayer (1910–1989)
- Lewis Clive (1910–1938), Spanish Civil War fighter
- Sir Robin Darwin (1910–1974), Principal, Royal College of Art, 1948–1967, and painter
- Charles Moore, 11th Earl of Drogheda (1910–1990), Managing Director, 1945–1970, and Chairman, 1971–1975, The Financial Times
- Weetman Pearson, 3rd Viscount Cowdray (1910–1995), President, Pearson
- Robert Still (1910–1971)
- Sir Wilfred Thesiger (1910–2003)
- Michael Berry, Baron Hartwell (1911–2001), Chairman and Editor-in-Chief, The Daily Telegraph, 1954–1987, and The Sunday Telegraph, 1961–1987
- Randolph Frederick Edward Churchill (1911–1968)
- Brigadier Bernard Fergusson, 1st Baron Ballantrae (1911–1980), Governor-General of New Zealand, 1962–1967
- John Leigh-Pemberton (1911–1997)
- Sir Fitzroy Maclean of Dunconnel (1911–1996)
- Alexander Ogston, FRS (1911–1996)
- David Astor (1912–2001), Editor, The Observer, 1948–1975
- William Douglas-Home (1912–1992)
- James Fisher (1912–1970), ornithologist
- Christopher Furness (1912–1940), Second World War Victoria Cross
- Brian Johnston (1912–1994)
- Penrose Tennyson (1912–1941)
- HH Prince Birabongse of Thailand (1913–1988)
- Charles McLaren Aberconway, 3rd Baron Aberconway (1913–2003)
- Lionel Brett, 4th Viscount Esher (born 1913), architect
- Martin Charteris, Baron Charteris of Amisfield (1913–1999), Private Secretary to HM The Queen
- Jo Grimond, Baron Grimond (1913–1993)
- General Paramasiva Prabhakar Kumaramangalam (1913–2000)
- Charles Napier Lyell, 2nd Baron Lyell (1913–1943), Second World War Victoria Cross
- John Merton (born 1913), portrait painter
- Anthony Tollemache (1913–1977), Second World War George Cross
- Sir John Verney (1913–1993)
- Peter Wilson (1913–1984), Chairman, Sotheby's, 1957–1980
- Gerald Close (1914–1941), Second World War George Cross
- Michael Morris, 3rd Baron Killanin (1914–1999)
- HRH Prince Chalermbol of Thailand (1915–1991)
- J. A. Palmer-Tompkinson (1915–1952)
- Robin Maugham, 2nd Viscount Maugham (1916–1981)
- Rohan Butler (1917–1996)
- Geoffrey Keyes (1917–1941), Second World War Victoria Cross
- George Mann (1917–2001)
- Nigel Nicolson (born 1917), author and journalist
- Gavin Astor, 2nd Baron Astor of Hever (1918–1984), President, Times Newspapers, 1967–1981
- Rowland Baring, 3rd Earl of Cromer (1918–1991), Governor, Bank of England, 1961–1966, Managing Director, Baring Brothers & Co, 1948–1961, 1967–1970
- R. M. A. Bourne (1918–1995)
- Sir Roger de Grey (1918–1995)
- Colin Doran (1918–1991)
- Peter Opie (1918–1982), historian of childhood lore
- Michael Benthall (1919–1974)
- Denis Cannan (born 1919), dramatist and scriptwriter
- Peter Carington, 6th Baron Carrington (born 1919), Secretary of State for Defence, 1970–1974, Secretary of State for Foreign and Commonwealth Affairs, 1979–1982, and Secretary-General of NATO, 1984–1988
- Sir Ludovic Kennedy (born 1919)
- Ronald Wallace (1919–2002), Master of Foxhounds
1920s
- Hugh Waldorf Astor (1920–1999), Director, Hambros, 1960–1991
- Henry Chadwick (born 1920), Regius Professor of Divinity, University of Oxford, 1959–1969, Regius Professor of Divinity, University of Cambridge, 1969–1979, and Master of Peterhouse, Cambridge, 1987–1993
- John Edmondson, 2nd Baron Sandford (born 1920), politician and clergyman
- David Jamieson (1920–2001), Second World War Victoria Cross
- John Maynard Smith (1920–2004), evolutionary biologist
- Derrick Beecham (1921–1988)
- Peter Benenson (born 1921), founder of Amnesty International
- David Hay, 12th Marquess of Tweeddale (1921–1979), Second World War George Cross
- Humphrey Lyttelton (born 1921), jazz musician, band leader and composer
- Michael Bentine (1922–1996), actor and comedian
- Christopher Lee (born 1922), actor
- Patrick Macnee (born 1922), actor
- Michael Warre (1922–1987)
- Sir Brian Young (born 1922), Headmaster of Charterhouse School, 1952–1964, Director-General, Independent Broadcasting Authority, 1970–1982, and Chairman, Christian Aid, 1982–1990
- Edward Boyle, Baron Boyle of Handsworth (1923–1981), Financial Secretary to the Treasury, 1959–1962, and Vice-Chancellor, University of Leeds, 1970–1981
- Field Marshal Edwin Bramall, Baron Bramall (born 1923), Commander-in-Chief, United Kingdom Land Forces, 1976–1978, Vice Chief of the Defence Staff, 1978–1979, and Chief of the General Staff, 1979–1982
- James Chichester-Clark, Baron Moyola (1923–2002), Prime Minister of Northern Ireland, 1969–1971
- Michael Jaffé (1923–1997)
- George Lascelles, 7th Earl of Harewood (born 1923), Managing Director, 1972–1985, and Chairman, 1986–1995, English National Opera, and President, British Board of Film Classification, 1985–1997
- Nicholas Mosley, 3rd Baron Ravensdale (born 1923), author
- Richard Ollard (born 1923), author, editor and historian
- Sir John Lindsay Eric Smith (born 1923), Director, Coutts and Co, 1950–1993
- HRH Prince Alexander of Yugoslavia (born 1924)
- Robin Howard (1924–1989)
- Sir William Gladstone (born 1925), Headmaster of Lancing College, 1961–1969, and Chief Scout of the United Kingdom, 1972–1982
- Robert Goff, Baron Goff of Chieveley (born 1926), Lord Justice of Appeal, 1982–1986, and Lord of Appeal in Ordinary, 1986–1998
- Robert Armstrong, Baron Armstrong of Ilminster (born 1927), Permanent Under Secretary of State for the Home Department, 1977–1979, and Cabinet Secretary, 1979–1987
- John Coldstream (born 1927), Professor of Aegean Archaeology, King's College London, 1975–1983, and Yates Professor of Classical Art and Archaeology, University College London, 1983–1992
- Peter Dickinson (born 1927), author
- John Habgood, Baron Habgood (born 1927), Bishop of Durham, 1973–1983, and Archbishop of York, 1983–1995
- Robin Leigh-Pemberton, Baron Kingsdown (born 1927), Governor, Bank of England, 1983–1993
- Sir Christopher Slade (born 1927), Lord Justice of Appeal, 1982–1991
- Major General Sir John Acland (born 1928), General Officer Commanding, South West District, 1978–1981
- John Barton (born 1928), Associate Director, Royal Shakespeare Company, 1964–1991
- Sir Angus Ogilvy (1928–2004), husband of HRH Princess Alexandra
- Sir Piers Bengough (born 1929), HM The Queen's Representative at Ascot, 1982–1997
- Sir Adrian Cadbury (born 1929), Managing Director, 1969–1974, and Chairman, 1975–1989, Cadbury Schweppes
- John Julius Cooper, 2nd Viscount Norwich (born 1929), writer, broadcaster and historian
- David Douglas, 12th Marquess of Queensberry (born 1929), Professor of Ceramics, Royal College of Art, 1959–1983
- Nigel Douglas (born 1929), television director
- John Lawrence, 2nd Baron Oaksey (born 1929), horseracing commentator and journalist
- Anthony Lloyd, Baron Lloyd of Berwick (born 1929), Lord Justice of Appeal, 1984–1993, and Lord of Appeal in Ordinary, 1993–1999
- Sebastian Snow (1929–2001), explorer and writer
- Jeremy Thorpe (born 1929), Leader of the Liberal Party, 1967–1976
- Philip Ziegler (born 1929), author and historian
1930s
- Sir Antony Acland (born 1930), ambassador to Luxembourg, 1975–1977, Spain, 1977–1979, and the United States, 1986–1991, Permanent Under Secretary of State for Foreign and Commonwealth Affairs, 1982–1986, and Provost of Eton, 1991–2000
- Antony Armstrong-Jones, 1st Earl of Snowdon (born 1930), photographer
- Douglas Hurd, Baron Hurd of Westwell (born 1930), Secretary of State for Northern Ireland, 1984–1985, Home Secretary, 1985–1989, and Secretary of State for Foreign and Commonwealth Affairs, 1989&ndash1995
- Jeremy Sandford (1930–2003), scriptwriter
- Julian Slade (born 1930), author and composer
- Tim Card (1931–2001), historian
- Neal Ascherson (born 1932), journalist and author
- David Coleridge (born 1932), Chairman, Lloyd's, 1991, 1992
- Tam Dalyell (born 1932), politician
- Sir Howard Hodgkin (born 1932), painter
- Rory McEwen (1932–1982), painter
- Sir Jocelyn Stevens (born 1932), Managing Director, Evening Standard, 1969–1972, Daily Express, 1972–1974, Beaverbrook Newspapers, 1974–1977, and Express Newspapers, 1977–1981
- Alexander Thynn, 7th Marquess of Bath (born 1932), owner of Longleat
- Jeremy Brett (1933–1995), actor
- Sir James Goldsmith (1933–1997), entrepreneur and politician
- Sir John Gurdon (born 1933), Fullerian Professor of Physiology and Comparative Anatomy, Royal Institution, 1985–1991, John Humphrey Plummer Professor of Cell Biology, University of Cambridge, 1991–2001, and Master of Magdalene College, Cambridge, 1995–2002
- Philip Howard (born 1933), journalist and writer on language
- Daniel Massey (1933–1998), actor
- Richard John Bingham, 7th Earl of Lucan (born 1934), missing murder suspect
- Sir David Landale (born 1934), Secretary and Keeper of the Records, Duchy of Cornwall, 1987–1993
- Sir Humphrey Maud (born 1934), ambassador to Luxembourg, 1982–1985, and Argentina, 1990–1993, High Commissioner to Cyprus, 1988–1990, and Deputy Secretary-General of the Commonwealth (Economic and Social Affairs), 1993–1999
- John Standing (born 1934), actor
- Ben Whitaker (born 1934), author
- HRH Prince Edward, Duke of Kent (born 1935)
- Robin Dixon, 3rd Baron Glentoran (born 1935), politician
- Bamber Gascoigne (born 1935), author and broadcaster
- Michael Holroyd (born 1935), author and biographer
- Peter Palumbo, Baron Palumbo (born 1935), Chairman, Arts Council of Great Britain, 1989–1994
- Andrew Sinclair (born 1935), author and historian
- Admiral of the Fleet Sir Benjamin Bathurst (born 1936), Chief of Fleet Support, 1986–1989, Commander-in-Chief Fleet, 1989–1991, Vice Chief of the Defence Staff, 1991–1993, and First Sea Lord, 1993–1995
- Robin Hanbury-Tenison (born 1936), explorer, environmentalist and Chairman, Survival International, 1969–
- Duff Hart-Davis (born 1936), author and journalist
- Hugh Hudson (born 1936), film director
- Jeremy Le Grice (born 1936), painter
- Sir Nicholas Bayne (born 1937), ambassador to Zaire, 1983–1984, ambassador and Permanent United Kingdom Representative to the Organisation for Economic Co-operation and Development, 1985–1988, and Deputy Permanent Under Secretary of State for Foreign and Commonwealth Affairs, 1988–1992
- Charles Douglas-Home (1937–1985), Editor, The Times, 1982–1985
- James Hogg (born 1937)
- Conrad Russell, 5th Earl Russell (born 1937), Astor Professor of British History, University College London, 1984–1990, and Professor of British History, King's College London, 1990–2002
- David Benedictus (born 1938), writer and director
- Jonathan Riley-Smith (born 1938), Professor of History, Royal Holloway College, London, 1978–1994, and Dixie Professor of Ecclesiastical History, University of Cambridge, 1994–
- Henry Blofeld (born 1939), cricket commentator and journalist
- Jonathan Cecil (born 1939), actor
- Colin Thubron (born 1939), travel writer and novelist
1940s
- Sir Dominic Cadbury (born 1940), Chief Executive, 1984–1993, and Chairman, 1993–2000, Cadbury Schweppes, and Chairman, Wellcome Trust, 2000–
- Christopher Cazenove (born 1940), actor
- H. Jones (1940–1982), Falklands War Victoria Cross
- Tristram Powell (born 1940), television director
- HRH Prince William of Gloucester (1941–1972)
- Jeremy Clyde (born 1941), actor
- Robert Fellowes, Baron Fellowes (born 1941), Private Secretary to HM The Queen, 1990–1999
- Sir George Young (born 1941), Secretary of State for Transport, 1995–1997
- HRH Prince Michael of Kent (born 1942)
- Jonathan Aitken (born 1942), Chief Secretary to the Treasury, 1994–1995, and writer
- Sir Nicholas Bonsor (born 1942), politician
- James Campbell (born 1942)
- Piers Courage (1942–1970), racing driver
- Christopher Palmer-Tomkinson (born 1942)
- Derek Parfit (born 1942), philosopher
- Hugo Williams (born 1942), writer, critic and poet
- Brian Gascoigne (born 1943), composer
- Adam Hart-Davis (born 1943), writer and broadcaster
- E. J. Mortimer (born 1943)
- Ian Ogilvy (born 1943), actor
- J. J. Palmer-Tomkinson (born 1943)
- HRH Prince Richard, Duke of Gloucester (born 1944)
- Jeremy Child (born 1944), actor
- Sir Ranulph Fiennes (born 1944), explorer
- HM King Birendra of Nepal (1945–2001), King of Nepal, 1972–2001
- Douglas Hogg, 3rd Viscount Hailsham (born 1945), Minister of Agriculture, Fisheries and Food, 1995–1997
- James Hurford (1945–1997), architect
- David Jessel (born 1945), television journalist and broadcaster
- Sir Francis Richards (born 1945), Director, Government Communications Headquarters, 1998–2003, and Governor of Gibraltar, 2003–
- Robert Gascoyne-Cecil, 7th Marquess of Salisbury (born 1946), Lord Privy Seal and Leader of the House of Lords, 1994–1997
- Robin Lane Fox (born 1946), Reader in Ancient History, University of Oxford, 1990–
- William Shawcross (born 1946), writer and broadcaster
- William Waldegrave, Baron Waldegrave of North Hill (born 1946), Secretary of State for Health, 1990–1992, Minister of Agriculture, Fisheries and Food, 1994–1995, and Chief Secretary to the Treasury, 1995–1997
- James Graham-Campbell (born 1947), Professor of Medieval Archaeology, University College London, 1991–2002
- Richard Alston (born 1948), Artistic Director, Ballet Rambert, 1986–1992, and choreographer
- HH Maharajah Gaj Singh II of Jodhpur (born 1948), Maharajah of Jodhpur, 1952–
- James Faure Walker (born 1948), painter and computer artist
- David Rendel (born 1949), Member of Parliament
- Simon Hornblower (born 1949), Professor of Classics and Ancient History, University College London, 1997–
- Richard Jenkyns (born 1949), Professor of the Classical Tradition, University of Oxford, 1999–
1950s
- Edward Bennett (born 1950), television director
- Willie Boone (born 1950), rackets player
- Jonathon Porritt (born 1950), Director, Friends of the Earth, 1984–1990, and Forum for the Future, 1996–, writer and broadcaster
- Mark Douglas Home (born 1951), Editor, The Herald, 2000–
- Nicholas Ormerod (born 1951), stage designer
- Martin Taylor (born 1952), Chief Executive, Courtaulds Textiles, 1990–1993, and Barclays Bank, 1994–1998, and Chairman, W. H. Smith Group, 1999–2003
- HIH Prince Zara Yacob of Ethiopia (born 1953)
- Robert Harvey (born 1953), author and journalist
- Oliver James (born 1953), psychologist
- Simon Mann (born 1953), soldier and mercenary
- John Barclay (born 1954), cricketer and cricket manager
- Michael Chance (born 1955), counter-tenor
- Francis Grier (born 1955), organist, choir conductor and composer
- Dominic Lawson (born 1956), Editor, The Spectator, 1990–1995, and The Sunday Telegraph, 1995–
- Charles Moore (born 1956), Editor, The Spectator, 1984–1990, The Sunday Telegraph, 1990–1995, and The Daily Telegraph, 1995–2003
- Nicholas Coleridge (born 1957), Editor, Harpers and Queen, 1986–1989, and Managing Director, Condé Nast Publications, 1992–
- Hugh Laurie (born 1959), actor and comedian
- Stephen Wolfram (born 1959), physicist and computer scientist
1960s
- Timothy Gowers (born 1963), Rouse Ball Professor of Mathematics, University of Cambridge, 1995–
- Marcus Armytage (born 1964), jockey and horseracing journalist
- Boris Johnson (born 1964), politician and journalist
- Andrew Maud (born 1964), actor
- Paul Watkins (born 1964), novelist
- Hugh Fearnley-Whittingstall (born 1965), chef, writer and television presenter
- Giles Andreae (born 1966), author
- Anthony Loyd (born 1966), journalist and author
- Nicholas Rowe (born 1966), actor
- Ed Woodall (born 1967), actor and director
- Brent Hoberman (born 1968), Chief Executive, Lastminute.com, 1998–
- Mark Hue Williams (born 1968), rackets player
- James Landale (born 1968), television journalist
- William Fox-Pitt (born 1969), three day event rider
- Boris Starling (born 1969), novelist
- Dominic West (born 1969), actor
1970s
- Will Keen (born 1970), actor
- Sir Matthew Pinsent (born 1970), oarsman
- HM King Dipendra of Nepal (1971–2001), briefly King of Nepal, 2001
- HH Sheikh Mohammed al-Mubarak al-Sabah of Kuwait (born 1971)
- Charles Cumming (born 1971), novelist
- Damian Lewis (born 1971), actor
- Guy Walters (born 1971), novelist and journalist
- Oliver Dimsdale (born 1972), actor
- Oliver Milburn (born 1973), actor
- Rory Stewart (born 1973), explorer and writer
- Will Adamsdale (born 1974), actor
- Bear Grylls (born 1974), mountaineer
- Ed Coode (born 1975), oarsman
- Julian Ovenden (born 1975), actor and singer
- Scott Brooksbank (born 1976), actor
- Jordan Frieda (born 1977), actor
- Andrew Lindsay (born 1977), oarsman
- Bruce MacKinnon (born 1978), comedian
- Richard Mason (born 1978), novelist
- HRH Prince Nirajan of Nepal (1979–2001)
1980s
See also