| Acronym | Meaning |
| PMSD | Partí Mauricien Social Démocrate (French: Mauritian Social Democrat Party) |
| PMSD | Performance Management and Staff Development (various organizations) |
| PMSD | Prime Minister Security Division (Sri Lanka) |
| PMSD | Program Management and Services Directorate |
| PMSD | Project Management Support Division (T&MSS) |
| PMSD | Proposed Material Support Date (US Navy) |