Cor or COR may refer to:
People Cor people, an ethnic group of Vietnam Cor (given name), including a list of people with the name Jon Cor (born 1984), a Canadian actor
Places Cor, Templeport, a townland in County Cavan, Ireland California State Prison, Corcoran, Kings County, California, U.S. Ingeniero Aeronáutico Ambrosio L.V. Taravella International Airport, Córdoba, Argentina, IATA airport code COR Corby railway station, UK, station code COR Corio railway station, Victoria, Australia, station code COR County Cork, Ireland, Chapman code COR
Business and organizations College of Radiographers (CoR), a charitable subsidiary of the Society of Radiographers Committee of the Regions (CoR), the European Union's assembly of local and regional representatives Commonwealth Oil Refineries, an Australian oil company 1920–1952 Confederation of Regions Party of Canada (CoR), Canadian political party Contracting Officer's Technical Representative, or Contracting Officer's Representative, in U.S. government procurement Kashruth Council of Canada, known as COR, a Canadian kosher certification agency Championship Off-Road (COR), an American off-road racing series
Languages Cor, a dialect of Cua language (Austroasiatic) Cornish language, ISO 639-2/3 language code cor
Music
Cor, the French word for Horn, a musical instrument, often a French horn Cor anglais (English Horn), a woodwind instrument Cor (album), by Brazilian duo Anavitória Cor Scorpii, Norwegian metal band Côr Cymru, Welsh choir competition
Science and technology Coefficient of restitution, the ratio of the final to initial relative velocity between two objects after they collide Coronatine, a toxin
Other uses Chamber of Reflection, a Masonic initiation space COR, IOC country code for a unified Korea Team cor, a "Technical Corrigendum" for ISO standards, see International Organization for Standardization Cor!!, a British comic book Comando per le Operazioni in Rete, Italian cyberwarfare military unit
See also Cor blimey (disambiguation) Cor Jesu (disambiguation) Epistles to the Corinthians (disambiguation) Cor bovinum and Cor triatriatum, heart disease and defect Cor Caroli and Cor Hydrae, stars Cor Serpentis, 1958 science fiction short story Pontifical Council Cor Unum, former Roman Catholic organisation Heart-nosed bat, Cardioderma cor