GSNS
| Acronym | Definition |
|---|---|
| GSNS | Grayson Space Navy Ship (Honor Harrington Science Fiction novels) |
| GSNS | Gesellschaft für System und Netzwerk Service MBH (Germany) |
| GSNS | Ground Safety Notification System (US Army) |
| GSNS | Graduate School, Natural Sciences (International Christian University; Tokyo, Japan) |
| GSNS | Gothic Society of Nova Scotia (Canada) |