| Acronym | Definition |
|---|
| GRS➣Global Response Staff (US CIA) |
| GRS➣Graduate School (universities) |
| GRS➣Gemeentelijk Ruimtelijk Structuurplan (Dutch: Municipal Spatial Structure; Belgium) |
| GRS➣Grand Rapids Symphony (Michigan) |
| GRS➣Gender Reassignment Surgery |
| GRS➣Generic Record Syntax |
| GRS➣Global Resource Serialization |
| GRS➣Global Roaming Server |
| GRS➣Guided Roller System |
| GRS➣General Resource Selector |
| GRS➣Global Registry Services |
| GRS➣Global Registry System |
| GRS➣Grass Valley (Amtrak station code; Grass Valley, CA) |
| GRS➣Great Red Spot (feature of Jupiter) |
| GRS➣Galaxy Redshift Survey (astronomy) |
| GRS➣Gamma Ray Spectrometer |
| GRS➣Geodetic Reference System (datum) |
| GRS➣Graduate Research Symposium (various schools) |
| GRS➣General Records Schedules |
| GRS➣Geoscience and Remote Sensing (Symposium) |
| GRS➣Gulf Region South (US Army Corps of Engineers) |
| GRS➣Ghost Research Society |
| GRS➣General Railway Signal (now part of ALSTOM Transport; railway signaling equipment supplier) |
| GRS➣Graduation Rate Survey |
| GRS➣Geosynthetic-Reinforced Soil |
| GRS➣Gesellschaft für Anlagen- und Reaktorsicherheit mbH (German: Society for Reactor Safety) |
| GRS➣Global Resource Serialization (IBM) |
| GRS➣Great River School (St. Paul, MN) |
| GRS➣Gamma Ray Source |
| GRS➣Group Reset |
| GRS➣General Reconnaissance School |
| GRS➣German Railway Society (est. 1981; UK) |
| GRS➣General Revenue Sharing |
| GRS➣Government Records Section (Society of American Archivists) |
| GRS➣Galvanized Rigid Steel |
| GRS➣Groundwater Replenishment System (Fountain Valley, CA) |
| GRS➣Graves Registration Service |
| GRS➣Global Reference System |
| GRS➣Governance Reform Secretariat (Sierra Leone) |
| GRS➣Grasslands Research Station (various locations) |
| GRS➣Generale de Rehabilitation Services |
| GRS➣Graduate Recruitment Scheme (various locations) |
| GRS➣Genital Reconstruction Surgery |
| GRS➣Grain Shape |
| GRS➣Government Relations Services (independent consulting firm) |
| GRS➣Gamma Rho Sigma (fraternity) |
| GRS➣Guaranteed Rental Scheme (various locations) |
| GRS➣Guilford Rail System |
| GRS➣German Radar Symposium |
| GRS➣Generalized Reed-Solomon (coding scheme) |
| GRS➣Groupe Révolution Socialiste (French: Socialist Revolution Group, Martinique) |
| GRS➣Gas Reservoir Suspension (automotive) |
| GRS➣Geriatrics Review Syllabus |
| GRS➣Gunner Restraint System (military vehicles) |
| GRS➣Global Reservation Service |
| GRS➣Global Repair Service |
| GRS➣Global Reservation System |
| GRS➣Faculty of Global and Regional Studies (Doshisha University; Japan) |
| GRS➣Global Reconnaissance-Strike (USAF doctrine) |
| GRS➣Golabi-Rosen Syndrome |
| GRS➣Gainesville Rose Society (Florida, USA) |
| GRS➣Gaseous Radwaste System |
| GRS➣Generic Recording System |
| GRS➣Greedy Routing Scheme |
| GRS➣Geometric Radiating Surface |
| GRS➣Gamma Remote Sensing Spectrometer |
| GRS➣Global Resolution Service |