IOM may refer to: Indian Order of Merit, a military and civilian decoration in British India. Five-seven IOM (Individual Officer Model), variant of the FN Five-seven. 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.
https://en.wikipedia.org/wiki/IOM