Cor
- California State Prison, Corcoran
- Championship Off-Road
- Coefficient of restitution
- Comando per le Operazioni in Rete
- Committee of the Regions
- Commonwealth Oil Refineries
- Confederation of Regions Party of Canada
- Contracting Officer's Technical Representative
- Cor (album)
- Cor (given name)
- Cor Caroli
- Cor Hydrae
- Cor Jesu (disambiguation)
- Cor Scorpii
- Cor Serpentis
- Cor anglais
- Cor blimey (disambiguation)
- Cor bovinum
- Cor people
- Cor triatriatum
- Cor!!
- Cor, Templeport
- Corby railway station
- Corio railway station
- Cornish language
- Coronatine
- County Cork
- Cua language (Austroasiatic)
- Côr Cymru
- Epistles to the Corinthians (disambiguation)
- French horn
- Heart-nosed bat
- Horn (instrument)
- Ingeniero Aeronáutico Ambrosio L.V. Taravella International Airport
- International Organization for Standardization
- Jon Cor
- Kashruth Council of Canada
- Pontifical Council Cor Unum
- Society of Radiographers
- Unified Korean sporting teams