| Acronym | Definition |
|---|
| GSO➣Gothenburg Symphony Orchestra (Gothenburg, Sweden) |
| GSO➣Gaziantep Sanayi Odasi (Turkish: Gaziantep Chamber of Industry; Gaziantep, Turkey) |
| GSO➣GBS (Graduate Business School) Student Organization |
| GSO➣Gensko Spremenjeni Organizmi (Slovenian: Genetically Modified Organisms) |
| GSO➣Graduate Studies Office (various locations) |
| GSO➣Generative Shape Optimizer |
| GSO➣Global Sign on |
| GSO➣Generic Segmentation Offload |
| GSO➣General Service Office |
| GSO➣General Statistics Office (Vietnam) |
| GSO➣Geostationary Orbit |
| GSO➣Guangzhou Symphony Orchestra (China) |
| GSO➣Geosynchronous Orbit |
| GSO➣Geostationary Satellite Orbit |
| GSO➣General Staff Officer |
| GSO➣General Services Officer |
| GSO➣Girl's Service Organization (USO) |
| GSO➣Gelders Stedelijk Ontwikkelingsbeleid (Dutch: Gelders Urban Development) |
| GSO➣Gunma Symphony Orchestra (Japan) |
| GSO➣Global Software Outsourcing |
| GSO➣Guitar Shaped Object |
| GSO➣Global Sales Office |
| GSO➣General Specifications for Overhaul of Surface Ships |
| GSO➣Ground Safety Officer |
| GSO➣Guernsey Symphony Orchestra (Guernsey, Channel Islands, UK) |
| GSO➣GCC (Gulf Cooperation Council) Standardization Organization (Saudi Arabia) |
| GSO➣Gadolinium Silicate |
| GSO➣Gamer Symphony Orchestra (University of Maryland; College Park, MD) |
| GSO➣Geographical Standards Organisation (fictional cartography) |
| GSO➣Granite State Opera (New Hampshire, USA) |
| GSO➣Ground Staff Office (Japan) |
| GSO➣Genesee Symphony Orchestra (Batavia, NY) |
| GSO➣General Spin Orbital |
| GSO➣Gas Shut Off |
| GSO➣Ground Systems and Operations |
| GSO➣Goods and Services on Order |
| GSO➣Gwinnett Symphony Orchestra (Georgia) |
| GSO➣Gateway to Standards Organizations |
| GSO➣Golden Sun Odyssey (message board) |
| GSO➣Got Shipped Out |
| GSO➣GCCS Security Officer |
| GSO➣Ground Safety Office |
| GSO➣Gloucestershire Symphony Orchestra (UK) |
| GSO➣Gossudarstwennaja Sluzhba Ochrany (Russian: National Protection Service) |
| GSO➣Graham-Schmidt Orthonormalization |
| GSO➣Greensboro / High Point, NC, USA - Piedmont Triad International Airport (Airport Code) |
| GSO➣Get Stuff On (polite form) |
| GSO➣Glawnoje Sluzhba Ochrany (Russian: Main Protection Service) |