| CTRI | California Tomato Research Institute 
| Others |
| CTRI | Canadian Tourism Research Institute
| Others |
| CTRI | Cathodic Tape Recorders, International
| Others |
| CTRI | Center for Tobacco Research and Intervention
| Others |
| CTRI | Center for Transportation Research and Implementation
| Others |
| CTRI | Central Tobacco Research Institute
| Others |
| CTRI | Clinical and Translational Research Institute
| Others |
| CTRI | Clinical Training Research Institute
| Others |
| CTRI | Clinical Translational Research Institute
| Others |
| CTRI | Clinical Trial Registry India
| Others |
| CTRI | Clinical Trials Registry - India
| Others |
| CTRI | Clinical Trials Registry India
| Others |
| CTRI | Clinical Trials Registry of India
| Medical |
| CTRI | Community Training and Resource Institute
| Others |
| CTRI | Crash Test Rating Index
| Others |
| CTRI | Creative Television of Rhode Island
| Others |