| CTAS | Canadian Triage Acuity Scale 
| Others |
| CTAS | Canadian Triage and Acuity Scale
| Others |
| CTAS | Career Transition Assistance Scheme
| Others |
| CTAS | Carrier Test Access Switch
| Others |
| CTAS | Center Terminal Arrival Sequencing
| Others |
| CTAS | Center Tracon Automation System
| Others |
| CTAS | Central Texas Astronomical Society
| Others |
| CTAS | Certified Test Administration Site
| Others |
| CTAS | Certified Test Administrator Services
| Others |
| CTAS | Certified Testpoint Application Specialist
| Others |
| CTAS | Chuck Taylor All Star
| Others |
| CTAS | City And Town Accounting System
| Others |
| CTAS | College of Technology and Applied Sciences
| Others |
| CTAS | Collier Teacher Assessment System
| Others |
| CTAS | Commercial Transform Application Server
| Others |
| CTAS | Compulsive Tool Acquisition Syndrome
| Others |
| CTAS | Computing Task Authorization System
| Others |
| CTAS | Coordinated Tribal Assistance Solicitation
| Others |
| CTAS | County Technical Assistance Service
| Others |
| CTAS | Create Table As Select
| Others |