| Acronym | Definition |
|---|
| GMO➣Genetically Modified Organism |
| GMO➣Group Member Organization |
| GMO➣Gross Me Out |
| GMO➣General Medical Officer |
| GMO➣Global Media Online (various companies) |
| GMO➣Glenn Miller Orchestra (est, 1938) |
| GMO➣Grand Moyen-Orient (French: Greater Middle East) |
| GMO➣Global Media Outreach (ministry) |
| GMO➣Genmodifiserte Organismer (Norwegian: Genetically Modified Organism) |
| GMO➣Guest Memory Operation |
| GMO➣General Moving Object |
| GMO➣Grants Management Officer |
| GMO➣Greater Milwaukee Open (golf) |
| GMO➣Geospatial Management Office (US DHS) |
| GMO➣Glyceryl Monooleate |
| GMO➣Genetiskt Modifierad Organism (Swedish: Genetically Modified Organism) |
| GMO➣General Manager of Operations |
| GMO➣Generalized Molecular Orbital |
| GMO➣Glass Mountain Optics, Inc. |
| GMO➣Generic Managed Object |
| GMO➣Global Marine Observation(s) |
| GMO➣General Management Office |
| GMO➣GospelMusicOutlet.com (online music store) |