| Acronym | Definition |
|---|
| CATC | Care Around the Clock (various locations) |
| CATC | Civil Aviation Technology College (Tehran, Iran) |
| CATC | Computers across the Curriculum (also seen as CAC; George Fox University; Newberg, OR) |
| CATC | Cisco Academy Training Center |
| CATC | Clean Air Technology Center |
| CATC | Computer Access Technology Corporation (Santa Clara, CA, USA) |
| CATC | Casper Area Transportation Coalition |
| CATC | Combined Arms Training Center |
| CATC | Calhoun Area Technology Center (Battle Creek, Michigan) |
| CATC | Certified Addictions Treatment Counselor |
| CATC | Carrier Air Traffic Control |
| CATC | Casper Area Transportation Coalition, Inc. |
| CATC | Carrier Account Team Center (Verizon) |
| CATC | Chicago Analytic Trading Company (Illinois) |
| CATC | Canadian Association of Therapeutic Clowns (est. 2004; Canada) |
| CATC | Combat Application Training Course (US Army) |
| CATC | Computer Assist To Technical Control |
| CATC | Community at the Crossroads |
| CATC | California Airedale Terrier Club, Inc. |
| CATC | Colorado Assessment and Treatment Center (Denver, CO) |