| Acronym | Definition |
|---|
| PESS➣Physical Education and Sports Science (various schools) |
| PESS➣Programmable Electronic Safety System |
| PESS➣Pure Energy Sound System (music) |
| PESS➣Psychiatric Emergency Screening Services |
| PESS➣Post Enucleation Socket Syndrome |
| PESS➣Public Employees’ Social Security (Colorado) |
| PESS➣Power Engineering Services and Solutions (San Jose, CA) |
| PESS➣Programmable Electronic Sub-Systems |
| PESS➣Programmable Escape System Sequencer |
| PESS➣Ping Estimating Services (Australia) |