Ord may refer to:

  • Boris Ord (1897-1961), British composer
  • Edward Ord (1818-1883), Major General in the US Army
  • George Ord (1781-1866), zoologist
  • Sir Harry St. George Ord (1819-1885), the 10th Governor of Western Australia
  • William Ord (1781–1855), English Whig politician and landowner
  • Ord, Nebraska, USA
  • Ord, Northumberland, England
  • Muir of Ord, village in Highland, Scotland
  • Ord River, Western Australia
    • Ord Irrigation Area Important Bird Area
    • Ord River Floodplain Ramsar Site
    • Ord Victoria Plain
  • Ord Township, Nebraska (disambiguation), name of two townships in Nebraska, USA
  • East Ord, Northumberland, UK
  • Fort Ord, California, USA
  • Ord = the category of preordered sets
  • Ord = the proper class of all ordinal numbers
  • ord(V) = the order type of a well-ordered set V
  • Ord Publishing, an imprint of the German group VDM Publishing devoted to the reproduction of Wikipedia content
  • Ord (Iron Kingdoms), a nation in the Privateer Press Full Metal Fantasy Genre
  • A prefix for several planets in the Star Wars universe, such as Ord Mantell
  • Ord (comics), a Marvel Comics character
  • Ord (Dragon Tales), one of the characters in the children's television series Dragon Tales on PBS

ORD may refer to:

  • O'Hare International Airport (IATA airport code "ORD"), an airport in Chicago, U.S.
  • Object-relational database
  • Office of Rare Diseases of the United States National Institutes of Health (NIH)
  • Optical rotatory dispersion, a form of spectroscopy used to determine the optical isomerism and secondary structure of molecules