OESS
| Acronym | Definition |
|---|---|
| OESS | Ordnance and Explosives Safety Specialist (US DoD) |
| OESS | Office of Emergency Shelter and Services (Philadelphia, PA) |
| OESS | Ontario Educational Software Services |
| OESS | Office of E-Health Standards & Services (US Centers for Medicare and Medicaid Services) |
| OESS | Ottawa East Schooling Shows (Ottawa, Canada) |
| OESS | Opto-Electronic Sensor System |
| OESS | Office Equipment Support Section |
| OESS | Operating Environment Segment Specification |