| Acronym | Definition |
|---|
| GMS | Gates Millennium Scholars (Bill & Melinda Gates Foundation) |
| GMS | Global Management System (Sonicwall) |
| GMS | General Medical Services |
| GMS | Grants Management System |
| GMS | Greater Mekong Subregion |
| GMS | Geneva Motor Show |
| GMS | Groundwater Modeling System |
| GMS | Global Mobile (Communications) System |
| GMS | Geostationary Meteorological Satellite |
| GMS | Glycerol Monostearate |
| GMS | Global Mobility Specialist |
| GMS | Gordano Messaging Suite |
| GMS | Guild Management System |
| GMS | Global Manufacturing System |
| GMS | General Merchandise Stores |
| GMS | Grafton Middle School (various locations) |
| GMS | Give Me Strength (record label) |
| GMS | GroupWise Mobile Server |
| GMS | Gas Management System |
| GMS | Generation Management System |
| GMS | Gem and Mineral Society |
| GMS | Global Messaging Service |
| GMS | Good Morning Sunshine |
| GMS | Gomori's Methenamine Silver (special stain in pathology) |
| GMS | Global Maplestory (MMORPG) |
| GMS | Global Microwave Systems, Inc. |
| GMS | Gordon-Michael Scallion (futurist) |
| GMS | Greenbrier Middle School (various locations) |
| GMS | Gardner Middle School (USA) |
| GMS | Give Me Shelter |
| GMS | Grandmaster Sexay (WWE) |
| GMS | Grant Maintained School |
| GMS | Gilsanz Murray Steficek LLP (New York, NY) |
| GMS | Gold Mind Squad (band) |
| GMS | Grandview Middle School (Mount, MN) |
| GMS | Growling Mad Scientist (band) |
| GMS | Guided Missile System |
| GMS | Goethals Memorial School (India) |
| GMS | General Military Science |
| GMS | Genebank Management System |
| GMS | Goodlettsville Middle School (Tennessee) |
| GMS | Galvanized Mild Steel |
| GMS | Glades Middle School (Miramar, FL) |
| GMS | Gunship Multispectral Sensor |
| GMS | Greenbrier Military School (Lewisburg, WV) |
| GMS | Grissom Middle School |
| GMS | Global Mobility Squadron (USAF) |
| GMS | Global Maritime Services (Trinidad) |
| GMS | GoodLink Management Server |
| GMS | General Mail System |
| GMS | Glenvar Middle School |
| GMS | Golf Management Services |
| GMS | Geofacilities Management System |
| GMS | Gimme My Stars |
| GMS | Gaiser Middle School (Washington) |
| GMS | Generic Monitoring System |
| GMS | Ground Measurement Systems |
| GMS | GCCS Management Center |
| GMS | Ground-Based Midcourse, Site (Activation) |
| GMS | Ground Maintenance Support |
| GMS | Ground Mobile Segment |
| GMS | Guided Missile Simulator |
| GMS | Ghumusar Mahila Sangathan (Kui: Women Joining Together; India) |
| GMS | GNet Management System (Sprint) |
| GMS | Gross Merchandise Sale |
| GMS | Graves Middle School (Whittier, CA) |
| GMS | Grand Mean Scaling |
| GMS | Gitchner Mobile System |
| GMS | Grand Masterswipe (parkour) |
| GMS | Grandes et Moyenne Surface |
| GMS | Greenfield Marketing Solutions |
| GMS | Gas Monitoring System (various organizations) |