| Acronym | Definition |
|---|
| GOS | Gloucester Old Spot (pig breed) |
| GOS | Geospatial One-Stop |
| GOS | Guild of Students (various locations) |
| GOS | Government of Swaziland |
| GOS | Global Observing System |
| GOS | Government of Sudan |
| GOS | Global Outsourcing Services (various locations) |
| GOS | Global Ocean Sampling (genome project) |
| GOS | Grade Of Service |
| GOS | Government of Slovenia |
| GOS | Glasgow Outcome Scale |
| GOS | Game Operating System |
| GOS | Ground Operating System |
| GOS | Grid Operation System |
| GOS | Grid Object Specification |
| GOS | Global Online Service |
| GOS | Gain on Sale (accounting) |
| GOS | Gross Operating Surplus |
| GOS | General Operating Support (various organizations) |
| GOS | Galacto-Oligosaccharide (saccharide polymer) |
| GOS | Guarantee of Service (U4EA Group Inc.) |
| GOS | General Officer Symposium (US DoD) |
| GOS | Global Observation System |
| GOS | Garritan Orchestral Strings |
| GOS | General Ophthalmic Service (UK) |
| GOS | Gate-Oxide Short (semi-conductors) |
| GOS | Guild of Service |
| GOS | Gate Operating System (Safegate, Sweden) |
| GOS | General Operating Subject (e-learning) |
| GOS | Global Operating System |
| GOS | Grand Orchestre du Splendid (band) |
| GOS | Girlfriend Over Shoulder |
| GOS | Geomagnetic Observing System |
| GOS | Gaming Operating System |
| GOS | Graphical Operating System |
| GOS | Galveston Ornithological Society (Texas, USA) |
| GOS | Generic Output Specifications |
| GOS | Generalized Order Statistic |
| GOS | Government Owned Software |
| GOS | Global Ozone Sensor |
| GOS | Group Operating Service |
| GOS | General Overhaul Specification |