XR or Xr may refer to:
Science and technology X-ray Extended reality, an umbrella term for virtual reality, augmented reality, and mixed reality Cisco IOS XR, router software Xr, original name of cairo graphics library Extended release, a modified-release dosage for medication iPhone XR, a smartphone released in 2018
Transportation Ford Falcon (XR), an Australian car Honda XR series, motorcycles
Other uses XR, a fictional character in animated TV series Buzz Lightyear of Star Command Extinction Rebellion, environmental movement and advocacy group Extrapolated Runs, a baseball statistic Corendon Airlines Europe, IATA airline code XR Chi Rho (☧ or ΧΡ), a Christogram Crossrail, abbreviated XR, a completed rail project in the United Kingdom Elizabeth line, National Rail reporting mark XR
See also Exchange rate, rate at which one currency will be exchanged for another OpenXR, a standard for access to virtual reality and augmented reality platforms