The following notable old boys of Eton College were born in the 15th, 16th and 17th centuries.

15th century

• Thomas Rotherham (1423–1500), Keeper of the Privy Seal, 1467–1474, Bishop of Rochester, 1468–1472, Bishop of Lincoln, 1472–1480, Lord Chancellor, 1474–1483, and Archbishop of York, 1480–1500
• Oliver King (c.1432–1503), Bishop of Exeter, 1492–1495, and Bishop of Bath and Wells, 1495–1503
• John Doget (c.1434–1501), humanist scholar
• Robert Wydow (c.1446–1505), poet and church musician
• Walter Lambe (c.1450-c.1504), composer and church musician
• John Browne (1453-c.1500) composer
• Robert Hacomblen (c.1455-1528) classical scholar and composer, Provost of King's College, Cambridge
• John Barker (fl. c.1471–1482), logician
• Nicholas West (c.1461–1533), Bishop of Ely, 1535–1538, and diplomat
• John Kite (died 1537), Archbishop of Armagh, 1513–1521, and Bishop of Carlisle, 1521–1537
• Richard Croke (or Crocus) (c.1489–1558), classical scholar
• Edward Fox (c.1496–1538), Bishop of Hereford, 1535–1538

16th century

• John Frith (1503–1533), Protestant clergyman and martyr
• Sir Thomas Pope (1507–1558), founder of Trinity College, Oxford
• Edward Aglionby (1520–c.1587), poet
• Thomas Tusser (1524–1580), poet and farmer
• Robert Glover (died 1555), Protestant martyr
• Laurence Saunders (died 1555), Protestant preacher and martyr
• Sir Thomas Sutton (c.1532–1611), founder of Charterhouse School
• Sir Humphrey Gilbert (c.1539–1583), coloniser of Newfoundland
• Ralph Sherwin (1550–1581), Jesuit priest, martyr and Catholic saint
• Thomas Aufield (1552–1585), Roman Catholic priest and beatified martyr
• John Cowell (1554–1611), Regius Professor of Civil Law, University of Cambridge, 1594–1611
• Sir John Harington (1561–1612), author and inventor of the water closet
• Sir Thomas Posthumous Hoby (1566–1640), Member of Parliament, claimed as the inspiration for Malvolio in Twelfth Night.^[1]
• William Oughtred (1575–1660), mathematician
• Robert Devereux, 3rd Earl of Essex (1591–1646), General, Parliamentarian Army, 1642–1645
• Méric Casaubon (1599–1671), classical scholar

17th century

• Henry Hammond (1605–1660), clergyman
• Bulstrode Whitelocke (1605–1675), lawyer and politician, prominent Parliamentarian during the Civil War
• Edmund Waller (1606–1687), poet and anti-Parliamentarian conspirator
• John Pearson (1613–1686), Lady Margaret's Professor of Divinity, University of Cambridge, 1661–1672, and Bishop of Chester, 1673–1686
• Henry More (1614–1687), theologian and philosopher
• George Fane (c.1616–1663), Royalist commander
• Antony Ascham (died 1650), Parliamentarian Ambassador to Spain, 1650, and murder victim
• Robert Boyle (1627–1691), natural philosopher and chemist
• Henry Godolphin (1648–1733), Provost of Eton, 1695–1707, 1726–1733, and Dean of St Paul's, 1707–1726
• George Stanhope (1660–1728), Dean of Canterbury, 1704–1728
• John Rosewell Headmaster (1671–1682)
• James Stanhope, 1st Earl Stanhope (1673–1721), Secretary of State for the Southern Department, 1714–1717, 1718–1721, Chancellor of the Exchequer, 1717–1718, and soldier
• Charles Townshend, 2nd Viscount Townshend (1674–1738), Secretary of State for the Northern Department, 1714–1717, 1721–1730
• Anthony Collins (1676–1729), deist
• Robert Walpole, 1st Earl of Orford (1676–1745), Secretary at War, 1708–1710, Prime Minister and Chancellor of the Exchequer, 1721–1742
• John Weldon (1676–1736), organist and composer
• Henry St John, 1st Viscount Bolingbroke (1678–1751), Secretary at War, 1704–1708
• Charles Talbot, 1st Baron Talbot of Hensol (1685–1737), Solicitor General, 1726–1733, and Lord Chancellor, 1733–1737
• Sir William Wyndham (1687–1740), Secretary at War, 1712–1713, and Chancellor of the Exchequer, 1713–1714
• Thomas Thackeray, 1693–1760, an 18th-century Head Master of Harrow
• William George (c.1698 – 1756) Dean of Lincoln, Provost of King's College, Cambridge, Head Master of Eton