English abbreviations from irb to irf
- IRB (Institutional review board)
- IRBM (Intermediate-range ballistic missile)
- IRC (International Red Cross||International Reply Coupon||Internet Relay Chat)
- IRCC (Indian River Community College)
- IRCCM (Infrared Counter Countermeasures)
- IRCM (Infrared Countermeasures)
- IRCS ((instrumentation) InfraRed Camera and Spectrograph, an instrument on the Subaru Telescope)
- IRD (Infantile Refsum disease)
- IRD&S (International Research, Development, and Standardization)
- IrDA (Infrared Data Association)
- IRDC ((celestial object) Infrared Dark Cloud)
- IRDS (Information Resource Dictionary System)
- IRDSO (Integrated Rural Development Service Organisation (India))
- IRDSS (Infrared Defeating Smoke system)
- IRE (Irecê Airport)
- IREA (Intermountain Rural Electric Association)
- IREMBASS (Improved Remotely Monitored Battlefield Sensor System)
- IRF (Inpatient rehabilitation facility)
