| Acronym | Definition |
|---|
| SERA | Standardised European Rules of the Air (EU) |
| SERA | Special Emergency Response and Assistance |
| SERA | South-East Regional Authority (Ireland) |
| SERA | Standard European Rules of the Air (aviation) |
| SERA | Sierra Railroad Company |
| SERA | Syracuse Environmental Research Associates |
| SERA | Southern Extension/Research Activities |
| SERA | Southern Enduro Riders Association (Madison, MS) |
| SERA | Screening-level Ecological Risk Assessment |
| SERA | State Employees Retirement Association |
| SERA | Superfund Emergency Response Actions |
| SERA | Société d'Etudes Réalisations Automobiles (French automobile manufacturer) |
| SERA | Sequential Electro-chemical Reduction Analysis |
| SERA | StarEdit Ruby Aspect (Starcraft editor) |
| SERA | Software Engineering Research, Management & Application |
| SERA | Special Emphasis Reliability Area |