| Acronym | Definition |
|---|
| GCN➣Government Computer News |
| GCN➣Gamecube Nintendo (gaming) |
| GCN➣GIG (Global Information Grid) Computing Nodes |
| GCN➣Grand Canyon National Park (Amtrak station code; Arizona) |
| GCN➣Graphic Core Next (Advanced Micro Devices, Inc.) |
| GCN➣Global Communications Network |
| GCN➣Gay Christian Network |
| GCN➣Girl Child Network (Zimbabwe) |
| GCN➣Gamma-Ray Coordinates Network (US NASA) |
| GCN➣Gay City News (website) |
| GCN➣Global Compliance Network |
| GCN➣Greatest Conservation Need (various locations) |
| GCN➣Gospel Communications Network |
| GCN➣Great Crested Newt (newt species) |
| GCN➣Génie Civil Nucléaire (French: Nuclear Engineering) |
| GCN➣Gamma-Ray Burst Coordinates Network |
| GCN➣GRB Coordinates Network |
| GCN➣Grand Canyon, AZ, USA (Airport Code) |
| GCN➣Government Communication Network |
| GCN➣Games Creators Network (France) |
| GCN➣Gruppo di Coordinamento News-IT |
| GCN➣Global Communications Network, LLC |
| GCN➣GoConnect Limited (Australia) |
| GCN➣Ground Communications Network |
| GCN➣Guest Choice Network |
| GCN➣Grid Computing Now |
| GCN➣Global Citizen Network (Japan) |
| GCN➣Game Central Network (website) |
| GCN➣Goliad Community Network |
| GCN➣Green Consumer Network (South Korea) |
| GCN➣Genesys Contact Navigator |
| GCN➣God Came Near (Max Lucado book) |
| GCN➣Gold Country Network |
| GCN➣Grasshopper Club Niederhasli (soccer training camp near Zurich) |
| GCN➣Germ Cell Necrosis |