XR stands for:

  • Exchange rate, English for exchange rate
  • Extended release, the slowed release of a drug, see Retard
  • Rotland, as country code for a fictional country in NATO maneuvers; See List of NATO country codes
  • Skywest Airlines, Australian airline ( IATA code )
  • X - Ray, English for X-ray

XR as distinguishing signs on license plate:

  • Norway: Namsos in the province of Nord-Trøndelag
  • Disambiguation
  • Abbreviation