| Acronym | Definition |
|---|
| SERN➣Southeastern (weather reports) |
| SERN➣Sweden Emilia Romagna Network (EU) |
| SERN➣Sustainable Energy Regulation Network (Renewable Energy and Energy Efficient Partnership) |
| SERN➣Single Expansion Ramp Nozzle (aircraft engine exhaust) |
| SERN➣Security Expert Register Nederland (Dutch: Security Expert Register Netherlands) |
| SERN➣Sudbury Education Resource Network (alternative education) |