| Acronym | Definition |
|---|
| OPSS | Oracle Platform Security Services |
| OPSS | Ontario Provincial Standard Specification |
| OPSS | Operations Safety System (US FAA) |
| OPSS | Office of Public Service and Science (United Kingdom) |
| OPSS | Office of Public Safety and Security (various organizations) |
| OPSS | Outlet Plastering Safety Shield (plastering guide tool) |
| OPSS | Other Products Self Service |
| OPSS | ORCHESTRA Process Support System |
| OPSS | Overwhelming Post-Splenectomy Sepsis (post-surgical complication) |
| OPSS | Operations Specifications Application |
| OPSS | Operations Sales and Service Council (Credit Union National Association) |