The following famous old boys of Eton College were born in the 18th century.

• Thomas Morell (1703–1784), classical scholar
• Henry Fox, 1st Baron Holland (1705–1774), Secretary at War, 1746–1754, Secretary of State for the Southern Department, 1755–1756, and Paymaster-General, 1757–1765
• Henry Fielding (1707–1754), novelist
• William Pitt, 1st Earl of Chatham (1708–1778), Paymaster-General, 1746–1755, Secretary of State for the Southern Department, 1756–1757, 1757–1761, and Prime Minister, 1766–1768
• Francis Dashwood, 15th Baron le Despencer (1708–1781), Chancellor of the Exchequer, 1762–1763
• George Lyttelton, 1st Baron Lyttelton (1709–1773), Chancellor of the Exchequer, 1755–1756
• Thomas Arne (1710–1778), composer
• George Grenville (1712–1770), First Lord of the Admiralty, 1762–1763, Prime Minister and Chancellor of the Exchequer, 1763–1765
• Frederick Cornwallis (1713–1783), Bishop of Lichfield and Coventry, 1750–1766, Dean of St Paul's, 1766–1768, and Archbishop of Canterbury, 1768–1783
• John Stuart, 3rd Earl of Bute (1713–1792), Secretary of State for the Northern Department, 1761–1762, and Prime Minister, 1762–1763
• Henry Bathurst, 2nd Earl Bathurst (1714–1794), Lord Chancellor, 1771–1778
• Charles Lyttelton (1714–1768), Bishop of Carlisle, 1762–1768, and antiquary
• Charles Pratt, 1st Earl Camden (1714–1794), Lord Chancellor, 1766–1770
• Thomas Gray (1716–1771), poet
• Horace Walpole, 4th Earl of Orford (1717–1797), author and politician
• John Montagu, 4th Earl of Sandwich (1718–1792), First Lord of the Admiralty, 1748–1751, 1771–1782, and Secretary of State for the Northern Department, 1763–1765, 1770–1771
• George Selwyn (1719–1791), politician and wit
• Lieutenant General John Manners, Marquess of Granby (1721–1770), Master-General of the Ordnance, 1763–1766, and Commander-in-Chief of the Forces, 1766–1770
• William Lyttelton, 1st Baron Lyttelton of Frankley (1724–1808), Governor of South Carolina, 1756–1760, and Jamaica, 1762–1766, and Ambassador to Portugal, 1766–1771
• Brigadier General George Howe, 3rd Viscount Howe (1725–1758), soldier
• Admiral of the Fleet Richard Howe, 1st Earl Howe (1726–1799), Commander-in-Chief, North American Station, 1775–1778, First Lord of the Admiralty, 1783–1788, and Vice-Admiral of England, 1792–1796
• General William Howe, 5th Viscount Howe (1729–1814), Commander-in-Chief, North America, 1775–1778, and Lieutenant General of Ordnance , 1782–1803
• Frederick North, 2nd Earl of Guildford (8th Baron North) (1732–1792), Chancellor of the Exchequer, 1767–1770, and Prime Minister, 1770–1782
• Sir James Mansfield (1733–1821), Solicitor General, 1780–1782, and Lord Chief Justice of Common Pleas , 1804–1814
• Shute Barrington (1734–1826), Bishop of Llandaff, 1769–1782, Salisbury, 1782–1791, and Durham, 1791–1826
• John Horne Tooke (1736–1812), politician and philologist
• General Charles Cornwallis, 1st Marquess Cornwallis (1738–1805), Governor-General of India, 1786–1793, Master-General of the Ordnance, 1795–1801, and Viceroy of Ireland, 1798–1801
• Sir Joseph Banks (1743–1820), naturalist and President of the Royal Society , 1778–1820
• Thomas Lyttelton, 2nd Baron Lyttelton (1744–1779), politician
• Thomas Fyshe Palmer (1747–1802), Unitarian minister
• Charles James Fox (1749–1806), Secretary of State for Foreign Affairs, 1782, 1783, 1806
• Thomas Lynch, Jr. (1749–1779), signatory of the United States Declaration of Independence
• Lord George Gordon (1751–1793), politician and agitator
• Charles Stanhope, 3rd Earl Stanhope (1753–1816), politician and scientist
• General John Hely-Hutchinson, 2nd Earl of Donoughmore (1757–1832), Commander-in-Chief, Egypt, 1801
• William Grenville, 1st Baron Grenville (1759–1834), Secretary of State for Foreign Affairs, 1791–1801, and Prime Minister, 1806–1807
• Richard Porson (1759–1808), Regius Professor of Greek, University of Cambridge, 1792–1808
• Richard Wellesley, 1st Marquess Wellesley (1760–1842), Governor-General of India, 1797–1805, Secretary of State for Foreign Affairs, 1809–1812, and Lord Lieutenant of Ireland, 1821–1828, 1833–1834
• William Wellesley-Pole, 3rd Earl of Mornington (1763–1845), Chief Secretary for Ireland, 1809–1812, and Master of the Mint, 1814–1823
• Charles Grey, 2nd Earl Grey (1764–1845), Secretary of State for Foreign Affairs, 1806–1807, and Prime Minister, 1830–1834
• Field Marshal Arthur Wellesley, 1st Duke of Wellington (1769–1852), Commander, Mysore, 1799–1802, the Deccan, 1803–1805, and the Iberian Peninsula, 1808–1814, Master-General of the Ordnance, 1818–1827, Commander-in-Chief of the Forces, 1827–1828, 1842–1852, and Prime Minister, 1828–1830, 1834
• George Canning (1770–1827), Secretary of State for Foreign Affairs, 1807–1809, 1822–1827, Prime Minister and Chancellor of the Exchequer, 1827
• John Keate (1773–1852), Headmaster of Eton , 1809–1834
• George 'Beau' Brummell (1778–1840), dandy
• William Lamb, 2nd Viscount Melbourne (1779–1848), Home Secretary, 1830–1834, and Prime Minister, 1834, 1835–1841
• John Bird Sumner (1780–1862), Bishop of Chester, 1828–1848, and Archbishop of Canterbury, 1848–1862
• Stratford Canning, 1st Viscount Stratford de Redcliffe (1786–1880), ambassador
• Charles Richard Sumner (1790–1874), Bishop of Winchester, 1827–1874
• Sir John Herschel (1792–1871), astronomer and mathematician
• John George Lambton, 1st Earl of Durham (1792–1840), Governor-General of Canada, 1838–1840, and politician
• Percy Bysshe Shelley (1792–1822), poet
• Charles Cavendish Fulke Greville (1794–1865), Clerk to the Council , 1821–1859
• Sir John Shaw-Lefevre (1797–1879), Vice-Chancellor, University of London, 1842–1862, and Clerk of the Parliaments , 1855–1875
• William Evans (1798–1877), painter and schoolmaster at Eton
• Thomas Denman, 1st Baron Denman (1799–1854), Attorney General, 1830–1832, and Lord Chief Justice, 1832–1850
• Edward Stanley, 14th Earl of Derby (1799–1869), Colonial Secretary, 1833–1834, and Prime Minister, 1852, 1858–1859, 1866–1868
• Edward Pusey (1800–1882), Regius Professor of Hebrew , University of Oxford, 1828–1882

See also

• List of famous Old Etonians born before the 18th century
• List of famous Old Etonians born in the 19th century
• List of famous Old Etonians born in the 20th century