| Acronym | Definition |
|---|
| SIFI➣Science Fiction (less common than SciFi) |
| SIFI➣Seminar in Field Instruction (education; various locations) |
| SIFI➣School Identified for Improvement (Wisconsin) |
| SIFI➣Sugar Industry Foundation, Inc. (Philippines) |
| SIFI➣Systemically Important Financial Institution |
| SIFI➣Seismic Induced Frame Instability |
| SIFI➣Sistema Integrato Formazione Istruzione (Italian: Integrated System Training Education; Milan, Italy) |