SESSA
| Acronym | Definition |
|---|---|
| SESSA | Sustainable Energy Society of Southern Africa (est. 1974) |
| SESSA | Simulation of Electron Spectra for Surface Analysis (National Institute of Standards & Technology) |
| SESSA | Southern England Student Sports Association (UK) |
| SESSA | Sustainable Energy Specific Support Assessment |
| SESSA | Solar Energy Society of Southern Africa (Ferndale, South Africa) |
| SESSA | Security Services Sports Association (Ghana) |