IOM

IOM may refer to:
 * Indian Order of Merit, a military and civilian decoration in British India.
 * Infraorbital margin, the lower margin of the eye socket
 * Institute of Medicine, a not-for-profit, non-governmental American organization founded in 1970
 * Institute of Medicine, Nepal, a medical school in Kathmandu, Nepal
 * Institute of Occupational Medicine in the UK
 * Institute for Organization Management, an Affiliate organization of the United States Chamber of Commerce
 * Institute of Oriental Manuscripts of the Russian Academy of Sciences
 * Integrated Object Model, an Application Programming Interface used in SAS (software) 9.1+ Integration Technologies
 * International Organization for Migration, a United Nations agency
 * International One Metre (radiosailing), a class of radio sailing boat
 * Intraoperative monitoring (neurophysiogical testing during surgery)
 * IOM soybeans, an industrial designation for soybeans from the U.S. states of Indiana, Ohio, and Michigan
 * ISDN-oriented Modular Interface
 * Isle of Man, a self-governing British Crown Dependency, located in the Irish Sea
 * Isle of Man Airport, its IATA airport code
 * Jupiter (mythology), or Jupiter Optimus Maximus, king of the Roman gods