| Acronym | Definition |
|---|
| SEDD | Staged Electronic Data Deliverable (electronic data reporting format) |
| SEDD | Sharjah Economic Development Department (Sharjah, United Arab Emirates) |
| SEDD | Sensors and Electron Devices Directorate (US Army Research Laboratory) |
| SEDD | Securing Execution of Document by Deception (criminal code) |
| SEDD | Secure Electronic Document Delivery (e-mail) |
| SEDD | Superfund Electronic Data Deliverable (XML Web-Based Application for the US EPA) |
| SEDD | Supplemental Expansion, Deaeration & Drawdown Tank |
| SEDD | Sign-Entropy-Derivative Detection |
| SEDD | Slate Estimated Date of Departure |