CIDF
| Acronym | Definition |
|---|---|
| CIDF | Control Interval Definition Field |
| CIDF | Common Intrusion Detection Framework |
| CIDF | Cultural Industries Development Fund (Canada) |
| CIDF | Chicago International Documentary Film Festival (Illinois) |
| CIDF | Common Intrusion Detection Format (computer security) |
| CIDF | Correlation Interferometer Direction Finding (antenna interference signals) |
| CIDF | Centro de Investigación y Desarrollo Farmacéutico (Spanish: Pharmaceutical Research and Development Center; Ferrer Internacional; Barcelona, Spain) |