English abbreviations from capt to carda
- Capt (Captain)
- CAPT-2 (Connecticut Academic Performance Test, Second generation)
- CAPTAIN (Community Action For Parents Teens And Interested Neighbors)
- CAPTCHA (Completely Automated Public Turing Test to tell Computers and Humans Apart)
- CAQ (Caucasia Airport)
- CAR (Canadian Association of Radiologists)
- CARA ((organization) California Association for Research in Astronomy)
- CARAT (Cooperation Afloat Readiness And Training)
- CARB (California Air Resources Board)
- CARC (Chemical Agent Resistant Coating)
- Card. (Cardinalis ("Cardinal"))
- CARD (Computer-Aided Requirements Definition)
- CARDA (CONUS (Continental United States) Airborne Reconnaissance for Damage Assessment)