| Acronym | Definition |
|---|
| SGN➣Sign |
| SGN➣Seattle Gay News (Washington) |
| SGN➣Signature (mathematics; group theory) |
| SGN➣San Gwann (postal locality, Malta) |
| SGN➣Scotia Gas Networks (UK) |
| SGN➣Sports Gaming Network |
| SGN➣Smart Growth Network |
| SGN➣Shotgun News |
| SGN➣Size Guide Number (chemistry) |
| SGN➣St. Gregory of Nyssa (church; San Francisco, CA) |
| SGN➣Spiral Ganglion Neuron |
| SGN➣Ho Chi Minh City, Vietnam - Tan Son Nhut (Airport Code) |
| SGN➣Screen Gems Network |
| SGN➣Secure Global Network |
| SGN➣Seventh Generation, Inc. (former stock symbol; now delisted) |
| SGN➣Samtec Global Network |
| SGN➣Surgeon General of the Navy |
| SGN➣Stealth Gaming Network (clan) |