KNR may refer to:
- Jam Airport, in Kangan, Iran; IATA airport code KNR
- Kalaallit Nunaata Radioa, Greenland
- Kaningra language, ISO 639-3 language code KNR
- Kannur, Kerala, India; UN/LOCODE IN-KL-KNR
- Kensal Rise railway station, England; National Rail station code KNR
- Korean National Railroad, promoted as Korail (코레일), the national railroad operator in South Korea
- XK11 Korean New Rifle, a prototype infantry rifle in development for the South Korea military
- Kunar Province, Afghanistan; ISO 3166-2:AF code AF-KNR