MPIR
| Acronym | Definition |
|---|---|
| MPIR | Ministry of Public Infrastructure Renewal (Ontario, Canada) |
| MPIR | Microbial Pathogenesis and Immune Response (various organizations) |
| MPIR | Multi-Spectral Pushbroom Imaging Radiometer (various locations) |
| MPIR | Multi-Path Interference Regenerator |
| MPIR | Microwave Pulse-Induced Resonance |