| Acronym | Definition |
|---|
| CSTC | Computer Security Technology Center |
| CSTC | Combined Security Transition Command |
| CSTC | Carrier Sekani Tribal Council (Canada) |
| CSTC | Combat Support and Combat (US Army) |
| CSTC | Calcutta State Transport Corporation |
| CSTC | Committee on Sea Turtle Conservation (National Research Council) |
| CSTC | Consolidated Space Test Center |
| CSTC | Consolidated Satellite Test Center |
| CSTC | Custom Spirit Tuning Club (France) |
| CSTC | Cadelac Security Training Center (Philippines) |
| CSTC | China Shipbuilding Trading Company (est. 1982) |
| CSTC | Combat Support Training Center (US Army Reserve) |
| CSTC | Canonical Space-Time Coordinates |
| CSTC | Cadet Summer Training Center (Canada National Defence) |
| CSTC | Cyber Solutions Tools Center (Lawrence Livermore National Laboratory CIAC) |
| CSTC | Canadian Skilled Trades Council (Labour Union) |
| CSTC | Cyclotomic Space-Time Code |
| CSTC | Canadian Sports Tourism Coalition |