KTR

KTR may refer to:
 * KTR, a Belgian auto racing team owned by Kurt Mollekens
 * Confederation of Labour of Russia
 * Cretaceous Terrestrial Revolution
 * Keio Corporation or Keio Teito Electric Railway, Tokyo, Japan
 * Kitakinki Tango Railway, Japan
 * KTR, station code for Kesteren railway station in Neder-Betuwe, Netherlands
 * KTR, station code for Kingstree (Amtrak station), South Carolina, US
 * KTR, IATA code for RAAF Base Tindal, Katherine, Northern Territory, Australia
 * Korea Testing & Research Institute
 * K. T. Rama Rao, Indian politician, better known as Kalvakuntla Taraka Rama Rao
 * Klon KTR overdrive pedal, redesign of the Klon Centaur