| Acronym | Definition |
|---|
| GMR | GPS (Global Positioning System) Message Router |
| GMR | Giant Magnetoresistance |
| GMR | Global Monitoring Report (various organizations) |
| GMR | Giant Magnetoresistive |
| GMR | Giant Magneto Resistive |
| GMR | Geo Mobile Radio |
| GMR | Greater Mekong Region |
| GMR | Gulf Marketing Review (Mediaquest) |
| GMR | Ground Mobile Radio (Joint Tactical Radio System Cluster 1) |
| GMR | Great Manchester Run (UK) |
| GMR | Geometric Mean Ratio |
| GMR | Government Meal Rate (US DoD) |
| GMR | Great Movie Ride (Disney World Attraction) |
| GMR | Government Micro Resources |
| GMR | Groupe Mobile de Réserve (French: Mobile Reserve Group) |
| GMR | Greater Manchester Radio |
| GMR | Geo-Mobile Radio |
| GMR | General Marketing Research |
| GMR | Global Medical Relief |
| GMR | Green Mountain Rangers (airsoft unit) |
| GMR | Grandhi Mallikarjuna Rao (GMR Group, India) |
| GMR | Graduated Mobilization Response |
| GMR | Gallops, Murmurs, Rubs (medical care) |
| GMR | Green Mountain Railroad |
| GMR | Green Mountain Realty (Shell Knob, MO) |
| GMR | Global Mobility Roundtable (conference) |
| GMR | Generalized Minimum Residual |
| GMR | Ground Mapping Radar |
| GMR | Gentamicin Resistance |
| GMR | Geostationary Mobile Radio |
| GMR | Government and Media Relations (Washington) |
| GMR | Goldwasser, Micali and Rivest (one-time signature scheme; cryptography) |
| GMR | German Military Representative |
| GMR | Ground Mobile Radar |
| GMR | Ground Maintenance Response |
| GMR | Generic Mission Replay |
| GMR | Global Malnutrition Rate |
| GMR | Good Morning Richmond (morning TV program; Richmond, VA) |