| Acronym | Definition |
|---|
| SPIF | Spi Transfer Complete Flag |
| SPIF | SharePoint Integration Framework (software) |
| SPIF | Sales Promotion Incentive Fund (sometimes written SPIFF) |
| SPIF | Security Policy Information File |
| SPIF | Single Point Incremental Forming |
| SPIF | Shuttle Payload Integration Facility |
| SPIF | Sales Performance Incentive Fund |
| SPIF | Sales Person Incentive Fund |
| SPIF | Special Performance Incentive Fund |
| SPIF | Shuttle/POCC Interface Facility (NASA) |
| SPIF | Shuttle Projects Information Frontier |
| SPIF | Shoreline Park Improvement Fund (Seattle, WA) |
| SPIF | SACDIN Program Integration Facility (USAF) |
| SPIF | Stamps Perforated for Individuals or Firms (stamp collecting) |
| SPIF | Safe, Productive, Infrastructure-Friendly (vehicles) |
| SPIF | Serial Peripheral Interface Flag (data transfer indicator) |