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
- Ernest Sheepshanks (1910–1937), Yorkshire cricketer and Reuters war correspondent
- 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
- Guy Burgess (1911–1963), intelligence officer and double agent
- Randolph Frederick Edward Churchill (1911–1968)
- Brigadier Bernard Fergusson, Baron Ballantrae (1911–1980), Governor-General of New Zealand, 1962–1967
- 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)
- Sir John Arbuthnot, 1st Baronet (1912–1992), politician
- James Fisher (1912–1970), ornithologist
- Christopher Furness (1912–1940), Second World War Victoria Cross
- Brian Johnston (1912–1994)
- Pen Tennyson (1912–1941)
- HH Birabongse Bhanudej, Prince Birabongse of Thailand (1913–1988)
- Sir Charles Villiers (1912–1992), businessman and one-time Chairman of British Steel
- Charles McLaren, 3rd Baron Aberconway (1913–2003)
- Guy Branch (1913–1940), one of The Few and Empire Gallantry Medal holder
- Lionel Brett, 4th Viscount Esher (1913–2004), architect
- Martin Charteris, Baron Charteris of Amisfield (1913–1999), Private Secretary to The Queen
- Jo Grimond, Baron Grimond (1913–1993)
- General Paramasiva Prabhakar Kumaramangalam (1913–2000)
- Peter Lawrence (1913–2005), teacher
- Charles Lyell, 2nd Baron Lyell (1913–1943), Second World War Victoria Cross
- Sir John Verney (1913–1993)
- Thomas Daniel Knox, 6th Earl of Ranfurly KCMG (1914–1988), WWII, ADC Lieutenant General Sir Philip Neame VC, POW Vincigliata
- Capt Guy E Ruggles-Brise (1914–2000), WWII Commando, POW Italy, Vincigliata,Stockbroker, Land-owner,
- Michael Morris, 3rd Baron Killanin (1914–1999)
- James Palmer-Tomkinson (1915–1952)
- Robin Maugham, 2nd Viscount Maugham (1916–1981)
- Dennis Poore (1916–1987), racing driver, entrepreneur & financier, Chairman, Manganese Bronze Holdings
- Geoffrey Keyes VC (1917–1941), Second World War Victoria Cross
- George Mann (1917–2001)
- Nigel Nicolson (1917–2004), 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
- Sir Roger de Grey (1918–1995)
- Michael England (1918–2007), cricketer
- Peter Opie (1918–1982), historian of childhood lore
- David Ormsby-Gore (1918–1985), politician and British Ambassador to the USA
- Michael Benthall (1919–1974)
- Tim Westoll (1918–1999), Chairman of Cumberland County Council and of Cumbria County Council 1959–1976
- Denis Cannan (born 1919), dramatist and screenwriter
- 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 (1919–2009)
- Derek Prince (1915–2003), international Bible teacher
Read more about this topic: List Of Old Etonians Born In The 20th Century