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