| Acronym | Definition |
|---|
| SERT | Serotonin Transporter |
| SERT | SSP (Space Solar Power) Exploratory Research and Technology |
| SERT | Scion Evolution Rally Team |
| SERT | Server Efficiency Rating Tool |
| SERT | State Emergency Response Team |
| SERT | Special Emergency Response Team |
| SERT | Special Education Resource Teacher (Canada) |
| SERT | Sheriff's Emergency Response Team |
| SERT | Space Electric Rocket Test |
| SERT | Security Emergency Response Team |
| SERT | SLAC (Stanford Linear Accelerator Center) Emergency Response Team |
| SERT | Special Equestrian Riding Therapy |
| SERT | Student Emergency Response Team |
| SERT | Secretary's Emergency Response Team |
| SERT | Special Event Response Team (various organizations) |
| SERT | School Emergency Response Team |
| SERT | Seabee Engineering Reconnaissance Team (US DoD) |
| SERT | Space Exploration and Research Team (UK) |
| SERT | Seratonin Transporter |
| SERT | Societe d'Etudes et de Realisations Techniques (French) |
| SERT | Space Electrochemical Research and Technology |
| SERT | Spinning Satellite for Electric Rocket Test |
| SERT | Software Engineering Research and Technology |
| SERT | SATCOM Engineering Response Team |