SIDF
| Acronym | Definition |
|---|---|
| SIDF | System Independent Data Format |
| SIDF | Sender Id Framework |
| SIDF | Saudi Industrial Development Fund |
| SIDF | System-Independent Data Format (ISO/IEC 14863 & ECMA-208) |
| SIDF | Sheffield International Documentary Festival (Sheffield, England, UK) |
| SIDF | SenderID Framework (email authentication) |
| SIDF | Small Industries Development Fund (India) |