title: IRM
text: # IRM
  
  IRM may refer to:
  
  * IERS Reference Meridian
  * Illinois Railway Museum
  * Illinois Reserve Militia, state defense force active during World War II
  * Bureau of Information Resource Management, responsible for information technology of the U.S. Department of State
  * Information Rights Management
  * L'Institut Royal Météorologique de Belgique
  * Interference reflection microscopy, a microscopy method used to image adherent cells
  * Internal Revenue Manual, an official compendium of internal guidelines for personnel of the United States Internal Revenue Service
  * International Review of Mission, a quarterly academic journal
  * International Roaming MIN assigned by IFAST
  * IRM (album), by Charlotte Gainsbourg
  * Iron Mountain Incorporated, a data storage company based in Boston, Massachusetts
  * ICAO designator for Mahan Air, an Iranian airline
  * Islamic Republic of Mauritania
  