| CIDT | Canada Ice Dance Theatre 
| Others |
| CIDT | Cancer Information Data Trust
| Others |
| CIDT | Center for Instructional Design and Technology
| Others |
| CIDT | Center for Intercultural Dialogue and Translation
| Others |
| CIDT | Centre for Instructional Design and Technology
| Others |
| CIDT | Centre for International Development and Training
| Others |
| CIDT | Chatham Islands Daylight Time [UTC + 1345]
| Others |
| CIDT | Community Informant Detection Tool
| Others |
| CIDT | Critical Incident Dispatch Team
| Others |
| CIDT | Crop Insurance Decision Tool
| Others |
| CIDT | Culture independent diagnostic testing
| Others |
| CIDT | Culture Independent Diagnostic Tests
| Others |