| Acronym | Definition |
|---|
| MPSO➣Modified Particle Swarm Optimization (algorithm) |
| MPSO➣Medical Practitioner Supply Order (New Zealand Ministry of Health) |
| MPSO➣Milwaukee Police Supervisors Organization (Milwaukee, WI) |
| MPSO➣Micropayment System Operator |
| MPSO➣Memetic Particle Swarm Optimization (computer science) |
| MPSO➣Monetary Payment Supervision Order (UK criminal system) |
| MPSO➣Man-Portable Stand-Off |