| Acronym | Definition |
|---|
| CTID | Coronado Tourism Improvement District (California) |
| CTID | City Till I Die |
| CTID | Cancer Treatment-Induced Diarrhea |
| CTID | Carrosserie Tôlerie Industrielle Deprez (French industrial sheet metal company) |
| CTID | Communications Transmission Identifier (US DoD) |
| CTID | Chaudronnerie Tuyauterie Industrielle de la Dordogne (French: Dordogne Industrial Piping and Boilermaking; Dordogne, France) |
| CTID | Centre for Tropical and Infectious Diseases (Liverpool School of Tropical Medicine; UK) |
| CTID | Churches Together in Daventry (UK) |
| CTID | Current Topics in Infectious Diseases (conference) |
| CTID | Clothing, Textiles and Interior Design (various locations) |
| CTID | Chemically Targeted Identification |
| CTID | Corporate Technology I.D. (Newport Beach, CA) |
| CTID | Chelsea 'til I Die (football club fan slogan) |