Eddington or Edington may refer to:

• Eddington Varmah, Liberian politician
• Eddington (surname), people with the surname

• Eddington, Victoria

• Eddington, Berkshire
• Eddington, Cambridge
• Eddington, Kent
• Edington, Somerset
• Edington, Wiltshire
  • Edington Priory

• Eddington, Maine
• Eddington, Pennsylvania
  • Eddington (SEPTA station)

• Battle of Edington, decisive victory by Alfred the Great
• Eddington (film), upcoming film by Ari Aster
• Eddington (horse), American thoroughbred racehorse

• Eddington (crater), on the Moon
• Eddington (spacecraft), a cancelled ESA mission to search for extrasolar planets
• Eddington luminosity or Eddington limit, relating to the maximum mass of a star
• Eddington Medal, awarded by the Royal Astronomical Society
• Eddington number, the number of protons in the observable universe
• Eddington–Dirac number, alternative name for the Dirac large numbers hypothesis
• Eddington–Finkelstein coordinates, in the theory of general relativity