| Acronym | Definition |
|---|
| SPFI➣Summary of Performance and Financial Information (US DHHS) |
| SPFI➣Sequential Port Fuel Injection |
| SPFI➣Single Point Fuel Injection (vehicle engine technology) |
| SPFI➣Spotsylvania Preservation Foundation Inc. (Spotsylvania, VA) |
| SPFI➣Single Particle Fluorescence Imaging (biochemistry) |
| SPFI➣Stochastic Processes in Finance and Insurance (New Zealand) |
| SPFI➣Surface Protected Flexible Insulation |