| Acronym | Definition |
|---|
| CIID➣Copenhagen Institute of Interaction Design (Denmark) |
| CIID➣Commission Internationale des Irrigations et du Drainage (French) |
| CIID➣Computer Implemented Inventions Directive (European Union convention on software patents) |
| CIID➣Central Criminal Register (US Army) |
| CIID➣China Institute of Interior Design |
| CIID➣Card Issuer Identifier (Sprint) |
| CIID➣Counterintelligence and Investigations Division (US DHS) |
| CIID➣Chronic Inflammatory Intestinal Disease |