Kor or KOR may refer to:
- Kör, the bed belonging to Hel, queen of the underworld in Norse mythology
- Kor River, an river in the Fars, Iran
- Kor, Khuzestan, a village in Iran
- Korean language, the official language of South Korea and North Korea
- Homer (unit), an ancient Hebrew unit of capacity equal to 10 baths or 10 ephahs
- King of the Ring, a tournament of World Wrestling Entertainment
- Komitet Obrony Robotników (Workers' Defence Committee), a Polish civil society group
- κ-opioid receptor, a human protein
- South Korea, officially known as the Republic of Korea (ROK)
Read more about Kor: People, In Fiction