| Acronym | Definition |
|---|
| SMPI➣Sequential Multi Port Injection |
| SMPI➣San Miguel Properties, Inc. (Philippines) |
| SMPI➣Statutory Money Purchase Illustration |
| SMPI➣Sodium Meta per Iodate |
| SMPI➣Smart Machine Platform Initiative (Coalition for Manufacturing Technology Infrastructure) |
| SMPI➣SMS (Short Message Service) Message Passing Interface (software) |
| SMPI➣Sales & Marketing Partners Italy |
| SMPI➣Sofra Métaux Précieux Industries (French: Sofra Precious Metals Industries) |
| SMPI➣Sequential Multiport Injection |
| SMPI➣System Manager Programmer Interface |
| SMPI➣Smoke & Mirrors: Paranormal Investigators |
| SMPI➣Soluble Milk Protein Isolates (manufacturer; France) |
| SMPI➣Sensitive Minds Paranormal Investigations |
| SMPI➣Service Management Proficiency Index (est. 2009) |
| SMPI➣Self-Monitored Pain Intensity |
| SMPI➣Slowly Migrating Proteinase Inhibitors |