Eddington or Edington may refer to:
People
- Eddington Varmah, Liberian politician
- Arthur Eddington, English astronomer
- Eddington (surname), people with the surname
Places
Australia
- Eddington, Victoria
United Kingdom
- Eddington, Berkshire
- Eddington, Cambridge
- Eddington, Kent
- Edington, Somerset
- Edington, Wiltshire
- Edington Priory
United States
- Eddington, Maine
- Eddington, Pennsylvania
- Eddington (SEPTA station)
Other uses
- Battle of Edington, decisive victory by Alfred the Great
- Eddington (film), 2025 neo-Western thriller film by Ari Aster
- Eddington (horse), American thoroughbred racehorse
Named after Sir Arthur Eddington
- 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