Matthew Ridley may refer to:

  • Matthew Ridley (barrister), British Member of Parliament for Newcastle-upon-Tyne, 1747–1774
  • Sir Matthew White Ridley, 2nd Baronet (1745–1813)
  • Sir Matthew White Ridley, 3rd Baronet (1778–1836)
  • Sir Matthew White Ridley, 4th Baronet (1807–1877)
  • Matthew White Ridley, 1st Viscount Ridley (1842–1904)
  • Matthew White Ridley, 2nd Viscount Ridley (1874–1916)
  • Matthew White Ridley, 3rd Viscount Ridley (1902–1964)
  • Matthew White Ridley, 4th Viscount Ridley (1925–2012)
  • Matt Ridley (Matthew White Ridley, 5th Viscount Ridley, 1958–), British science writer