| Acronym | Definition |
|---|
| GRM | Guest Relations Manager (hospitality) |
| GRM | Grassroots Motorsports (magazine) |
| GRM | Global Request Manager |
| GRM | Global Resource Manager |
| GRM | Graphic Reading Module |
| GRM | Global Risk Manager |
| GRM | Group Risk Management (various companies) |
| GRM | Gross Rent Multiplier |
| GRM | Gross Refining Margin |
| GRM | Geospatial Resource Management (GIS, mapping) |
| GRM | Gregg Reference Manual |
| GRM | Grands Randonneurs Motorisés (French: Great Motorsport Hikers) |
| GRM | Global Realty Marketing (various locations) |
| GRM | Gradual Reduction Method (smoking cessation) |
| GRM | Garde Républicaine Mobile (French: Mobile Republican Guard) |
| GRM | General Routing Matrix |
| GRM | General Relationship Model |
| GRM | Geopotential Research Mission |
| GRM | Generalized Reed-Muller |
| GRM | Gross Revenue Multiplier |
| GRM | Global Request Manager (NetApp) |
| GRM | Gravity Research Mission |
| GRM | Goodwood Revival Meeting |
| GRM | Government Resources Management |
| GRM | Government Reference Model |
| GRM | Galveston Railroad Museum |
| GRM | Geometry Refinement Model |