| Acronym | Definition |
|---|
| GNSC | Genaissance Pharmaceuticals, Inc. (stock symbol) |
| GNSC | Global Network Solutions Center (Nokia Siemens Networks) |
| GNSC | Ghost Note South Community (drummer group) |
| GNSC | Globecomm Network Services Corporation (New York, NY) |
| GNSC | Global NetOps Support Center (Defense Information Systems Agency Network Center) |
| GNSC | Gravesend and Northfleet Swimming Club (UK) |
| GNSC | Great Northern Sound Company (Stillwater, MN) |
| GNSC | Golden Nordic Ski Club (Canada) |
| GNSC | Gulf National Securities Center (United Arab Emirates) |
| GNSC | Glenelg Nordic Ski Club (Canada) |
| GNSC | Guelph Neighbourhood Support Coalition (Canada; resident-participation budgeting) |
| GNSC | Good Neighbours Senior Center (Canada) |
| GNSC | Gold Nugget Soccer Club (California) |
| GNSC | Greater Napanee Soccer Club (Canada) |
| GNSC | Global Name Space Consortium (domain name research) |
| GNSC | Greater North Suburban Chapter (Better Investing) |
| GNSC | Gauteng North Sports Council (South Africa; Department of Sport and Recreation) |
| GNSC | Guelph Nordic Ski Club (Canada) |
| GNSC | GeoNetwork Steering Committee (Australia) |
| GNSC | Guyana National Standards Council |