IVR (disambiguation)

IVR is a three-letter abbreviation that may refer to:
 * Accelerated idioventricular rhythm
 * Interactive voice response
 * International Association for Philosophy of Law and Social Philosophy
 * Interventional radiology
 * Inter-VSAN Routing
 * Immersive virtual reality
 * Integrated voltage regulator
 * International Vehicle Registration; see List of international license plate codes
 * Intramolecular Vibrational Energy Redistribution
 * .ivr, a video file format ("Internet Video Recording") used by recent RealPlayer programs
 * Inverell Airport, IATA airport code "IVR"
 * Iver railway station, Buckinghamshire, England; National Rail station code "IVR"