| SERA | Rancho Alegre, Ecuador 
| Others |
| SERA | Science Engineering Research Academy
| Others |
| SERA | Secure Enterprise Remote Access
| Others |
| SERA | Sequential Electrochemical Reduction Analysis
| Others |
| SERA | Sierra Railroad
| Others |
| SERA | Sierra Railroad Company
| Others |
| SERA | Simulated Environment for Realistic ATC
| Others |
| SERA | Skumatz Economic Research Associates
| Others |
| SERA | Socialist Environmental And Resources Association
| Others |
| SERA | Societal and Economic Research and Applications
| Others |
| SERA | Societe d'Equipement et de Representation Automobile
| Others |
| SERA | Societe d'Etudes et Realisations Automobiles
| Others |
| SERA | South East Regional Authority
| Others |
| SERA | Southeast Endurance Riders Association
| Others |
| SERA | Southern Education And Research Alliance
| Others |
| SERA | Southern Extension and Research Activities
| Others |
| SERA | Space Exploration and Research Agency / USA
| Others |
| SERA | Standardised European Rules of the Air
| Others |
| SERA | State Emergency Relief Administration
| Others |
| SERA | State Employees Retirement Association
| Others |
| SERA | Suburban Electric Railway Association
| Others |
| SERA | Super Extra Really Awesome
| Others |
| SERA | System for Ethiopic Representation in ASCII
| Others |