| Acronym | Definition |
|---|
| OPSE➣Operation Protocol Service Elements |
| OPSE➣Optical Science and Engineering (college course; various universities) |
| OPSE➣Optically Pumped Stimulated Emission |
| OPSE➣Office of Protocol and Special Events (now Community Engagement and Events Division; Australia) |
| OPSE➣Office of Public Service Employment |
| OPSE➣Oral Pharyngeal Swallow Efficiency |
| OPSE➣One Page Summary Essay (homework) |