| Acronym | Definition |
|---|
| GSN | Game Show Network |
| GSN | Grants for Student Needs (Canada) |
| GSN | Government Security News |
| GSN | Gelsolin |
| GSN | Gigabyte System Network |
| GSN | Global Services Network |
| GSN | Gprs Support Node |
| GSN | GCOS Surface Network |
| GSN | GPRS Support Node (3GPP) |
| GSN | Green Suppliers Network |
| GSN | Ground Station Network (University Space Engineering Consortium) |
| GSN | Global School Net (est. 1984) |
| GSN | Global Seismic Network |
| GSN | General Surgery News (publication) |
| GSN | Gigabyte System Network (CERN) |
| GSN | General Software Note |
| GSN | Geological Survey of Namibia |
| GSN | Grocery Shopping Network (Minnesota) |
| GSN | Global Services Network (Washington, DC) |
| GSN | Global Sisterhood Network |
| GSN | Goal Structuring Notation |
| GSN | Gundam Seed Net (anime forum) |
| GSN | Guatemala Solidarity Network |
| GSN | Generic Sequence Number |
| GSN | Goshen Junction (Amtrak station code; Goshen Junction, CA) |
| GSN | Green Spider Network |
| GSN | Geodesic Sensor Net |
| GSN | Global Subscriber Number |
| GSN | Grayson Space Navy (Honor Harrington science fiction novels) |
| GSN | Global Seamless Network (Deutsche Telekom AG) |
| GSN | GPRS Serving Node |
| GSN | Global Shippers' Network |
| GSN | Gateway Services for Netware |
| GSN | Get Smart Network |
| GSN | Global Settlement Network (UK) |
| GSN | Government Serial Number |
| GSN | Government Satellite Network |
| GSN | German Society of Neurogenetics |
| GSN | Government Secure Network (Saudi Arabia) |
| GSN | General Structural Notes (construction, structural engineering) |
| GSN | Growler Secure Network |