| OSHA | occupational safety & health administration | 职业安全与卫生署 |
| OSHA | Occasional Safe and Health Association | 临时安全与健康协会 |
| OSHA | Occupational Safety & Health Administration (US government) | 职业安全与卫生管理局(美国政府) |
| OSHA | Occupational Safety and Health Administration | 职业安全与健康管理局 |
| OSHA | Occupational Safety and Health Act | 职业安全与健康法案 |
| OSHA | Occupational Safety and Health Act of 1970 | 1970年职业安全与健康法 |
| OSHA | On-Site Hazard Analysis | 现场危害分析 |
| OSHA | Operation & Support Hazard Analysis | 操作和支持的危害分析 |