| Acronym | Definition |
|---|
| CSID | Cisco Secure Intrusion Detection |
| CSID | Center for the Study of Islam and Democracy (Washington, DC, USA) |
| CSID | Called Subscriber Id |
| CSID | Cluster System Id |
| CSID | Called Station Identifier |
| CSID | Call Segment Id |
| CSID | Centralized Scheduling and Information Desk (US FEMA) |
| CSID | congenital sucrase-isomaltase deficiency |
| CSID | Canadian Social Investment Database |
| CSID | Centro Superior de Información de la Defensa (Spain) |
| CSID | Called Station Identification |
| CSID | Catalog-Service ID |
| CSID | Combat System Interface Document |
| CSID | Combat System Interface Diagram |
| CSID | Crew System Interface Document(s) |
| CSID | Corporate Scene Idea Detection (Switzerland) |
| CSID | Current System Interface Drawing |
| CSID | Centre for the Study of Indian Diaspora (India) |
| CSID | Computer Sciences International Deutschland Gmbh |