| Acronym | Definition |
|---|
| IGM➣Indexed GEDCOM Method |
| IGM➣Immunoglobulin M (antibody) |
| IGM➣Intergalactic Medium (astronomy, cosmology) |
| IGM➣Initiative on Global Markets (University of Chicago Booth School of Business; Chicago, IL) |
| IGM➣Instituto Geográfico Militar (Spanish) |
| IGM➣Insanely Great Mac |
| IGM➣Istituto Geografico Militare (Italy) |
| IGM➣Intergovernmental Meeting |
| IGM➣Internet Grateful Med |
| IGM➣Istituto Di Genetica Molecolare (Italy; CNR) |
| IGM➣In Game Money |
| IGM➣Inaugural General Meeting (various organizations) |
| IGM➣Informa Global Markets |
| IGM➣International Grandmaster (chess) |
| IGM➣Inheritable Genetic Modification |
| IGM➣In-Game Mail (computer gaming communication) |
| IGM➣Institut für Geschichte der Medizin der Robert Bosch Stiftung (German) |
| IGM➣Institute of Genetic Medicine (Johns Hopkins Medicine) |
| IGM➣Industrija Gradbenega Materiala (Slovenia) |
| IGM➣Instituto de Genetica Medica (Portugese) |
| IGM➣Image Geometry Model |
| IGM➣Import General Manifest (Pakistan customs) |
| IGM➣Institut de Génétique et Microbiologie (French: Institute of Genetics and Microbiology) |
| IGM➣Internet Game Maker |
| IGM➣Intersex Genital Mutilation |
| IGM➣International Golf Maintenance |
| IGM➣Intragroup Medium |
| IGM➣Institut für Geophysik und Meteorologie (German) |
| IGM➣Instantaneous Gain Modulation |
| IGM➣Intergalactic Media |
| IGM➣Instituto Geológico Mineiro (Portugal: Institute for Geology and Mining) |
| IGM➣Institute of Global Movers (Australia) |
| IGM➣Kingman, AZ, USA - Mohave County (Airport Code) |
| IGM➣In-Garrison Maintenance (US Air Force) |
| IGM➣I Got Mine |
| IGM➣IGetMail (Lockstep) |
| IGM➣Industrial Ghetto Metal (band) |
| IGM➣Intergas Marketing |
| IGM➣Iterative Guidance Mode |
| IGM➣Institute for Global Mobility |
| IGM➣Integrated Geological Modelling |
| IGM➣Institute for Global Management |
| IGM➣Ingenieurgesellschaft für Geophysikalische Messtechnik (German) |
| IGM➣Interest Group Meetings (Canada) |
| IGM➣Ignoring Gravity Music |
| IGM➣Informatique Gestion Management (French) |
| IGM➣International Granite and Marble, Corporation |
| IGM➣Ispettorato Generale Motorizzazione (Italian) |
| IGM➣Input Grooming Module |
| IGM➣Ingo G Michel |
| IGM➣International Graphic Machinery (Belgium) |
| IGM➣Industriegewerkschaf Metall (Labor Union Metal) |
| IGM➣Inhomogeneous Gibbs Models |
| IGM➣Internal Growth Manager |
| IGM➣Industrija Gradevinskog Materijala (Serbia and Montenegro) |
| IGM➣Internet Gateway Multicast |