| Acronym | Definition |
|---|
| PMSA | Primary Metropolitan Statistical Area |
| PMSA | Pacific Merchant Shipping Association (San Francisco, CA) |
| PMSA | Public Sector Mapping Agency (Australia) |
| PMSA | Pharmaceutical Management Science Association |
| PMSA | Purchase Money Security Agreement |
| PMSA | Print Media South Africa |
| PMSA | Primary Mirror Segment Assembly (space telescope) |
| PMSA | Power Sources Manufacturers Association |
| PMSA | Seaman Apprentice, Patternmaker Striker (Naval Rating) |
| PMSA | Project Management System Assessment |
| PMSA | Program-Managed Systems Assessment |
| PMSA | Project Manager for Selected Ammunition |