This is a list of fellows of the Royal Society elected in its seventh year, 1666.^[1]

Fellows

• Adrian Auzout (1622–1691)
• Robert Bertie (1630–1701)
• George Cock (d. 1679)
• John Copplestone (1623–1689)
• Sir Thomas Crisp (d. 1715)
• William Harrington (d. 1671)
• John Hay (1645–1713)
• Henry Howard (1628–1684)
• Sir Edmond King (1629–1709)
• Benjamin Laney (1591–1675)
• Nicholas Mercator (1620–1687)
• George Morley (1597–1684)
• David Murray (d. 1668)
• Edward Nelthorpe (1604–1685)
• Samuel Parker (1640–1688)
• John Robartes (1606–1685)
• Sir Paul Rycaut (1628–1700)