SPDF
| Acronym | Definition |
|---|---|
| SPDF | Synchronous Protocol Data Formatter |
| SPDF | Sealed Portable Document Format |
| SPDF | Service Based Policy Decision Function |
| SPDF | Space Physics Data Facility |
| SPDF | Space Physics Data Facility (NASA) |
| SPDF | Seychelles People's Defense Force |
| SPDF | Service-based Policy Decision Function |
| SPDF | Sudan People's Defence Forces |
| SPDF | Sharp, Principal, Diffuse, Fundamental (electron orbitals) |
| SPDF | Sampling Probability Density Function |
| SPDF | Smith Point Dance Floor |