OSMS
| Acronym | Definition |
|---|---|
| OSMS | Open Source Middleware Stack |
| OSMS | Open System Managed Storage |
| OSMS | Otago School of Medical Sciences (University of Otago; Dunedin, New Zealand) |
| OSMS | Ocean Springs Middle School (Mississippi) |
| OSMS | Omega Steel and Marine Services (Philippines) |
| OSMS | Online Sales and Marketing Services |
| OSMS | One Stop Merchant Services (credit card processing) |
| OSMS | Oceanship Management Services |
| OSMS | Optically Selected Mass Spectrometry |
| OSMS | Oregon Sustainment Maintenance Site |
| OSMS | Own Ship Motion Sensor |