| Acronym | Definition |
|---|
| CTIN➣Centre of Telecommunications Information Networking |
| CTIN➣Comité Technique National des Infections Nosocomiales |
| CTIN➣Computer Technology Investigators Network (est. 1996) |
| CTIN➣Centro de Transformación integrado |
| CTIN➣Counterdrug Technology Information Network (various nations) |
| CTIN➣Cuba Trade & Investment News |
| CTIN➣Center for Telecommunications and Information Networking (Drexel University) |