| Acronym | Definition |
|---|
| OHSAS | Occupational Health and Safety Management System |
| OHSAS | Occupational Health and Safety Assessment Specification |
| OHSAS | Occupational Health and Safety Standard |
| OHSAS | Occupational Health & Safety Assessment Series |
| OHSAS | Occupational Health & Safety Advisory Services (est. 2001; UK) |
| OHSAS | Occupational Health, Safety and Security |
| OHSAS | Occupational Health and Safety Assessment Scheme (UK) |
| OHSAS | Occupational Health and Safety Auditing System |
