| Abbreviation | Definition |
|---|---|
| CTAPS | Certified Technical Assistance Provider Search |
| CTAS | Certified Test Administrator Services |
| CTB | Certified Transportation Broker |
| CTBS | Certified Tissue Bank Specialist |
| CTBS | Certified Tissue Banking Specialist |
| CTC | Certified Team Coach |
| CTC | Certified Temperature Calibration |
| CTCM | Certified Texas Contract Manager |
| CTD | Certified TestStand Developer |
| CTDP | Certified Training & Development Professional |
| CTECH | Certified Technician |
| CTEM | Certificate Technology Entrepreneurship and Management |
| CTFP | Certificate in Tertiary Foundation Programme |
| CTL | Certified in Transportation and Logistics |
| CTM | Certified Tarot Master |
| CTN | Certification TestNetwork NASA |
| CTO | Certificate To Operate |
| CTP | Certification Training Program |
| CTP | Certified Training Partner |
| CTP | Certified Transportation Planner |