| Acronym | Definition |
|---|
| GEN | General |
| GEN | Generation |
| GEN | Generic (virus scanners) |
| GEN | Generator |
| GEN | Genesis |
| GEN | Gender |
| GEN | Gentamicin |
| GEN | Gigabit Ethernet |
| GEN | Genitive (grammatical case) |
| GEN | Genossenschaft (German: Labor Union) |
| GEN | Gigabit Ethernet Networking (computing) |
| GEN | Global Ecovillage Network |
| GEN | Group Exemption Number (US IRS) |
| GEN | Genetic Engineering and Biotechnology News (publication) |
| GEN | Global Enterprise Networks (UK) |
| GEN | Global Enterprise Network |
| GEN | Generic |
| GEN | Global European Network |
| GEN | Global Engineering Networking |
| GEN | Global Ecolabelling Network |
| GEN | Genetic Engineering Network |
| GEN | Geographic Extent Name (Australia) |
| GEN | Global Educators' Network |
| GEN | Oslo, Norway - Garderm O E N (Airport Code) |
| GEN | Global Engineering Networking Initiative |