OSSE
| Acronym | Definition |
|---|---|
| OSSE | Oriented Scintillation Spectrometer Experiment |
| OSSE | Office of the State Superintendent of Education (Washington, DC) |
| OSSE | Oriented Scintillation Spectrometer Experiment (telescope used at the Gamma Ray Observatory) |
| OSSE | Office of Space Science Education (Wisconsin) |
| OSSE | Open Source Software Engineering |
| OSSE | Observation Simulation System Experiment (US NOAA) |
| OSSE | Observing Systems Simulation Experiment |
| OSSE | Operational Safety Suitability and Effectiveness (Air Force Instruction 63-1201) |