| 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) |