| TC | Toxicity Characteristic | - | Computer Acronyms(common) |
| TC | Telecommunications | - | Organizations |
| TC | Temperature Compensating | - | Organizations |
| TC | Test Conductor (Contractor) | - | Organizations |
| TC | Test Conductor (Controller) | - | Organizations |
| TC | Thermal Control | - | Organizations |
| TC | Thermocouple | - | Organizations |
| TC | Thiokol Corporation | - | Organizations |
| TC | Thrust Chamber | - | Organizations |
| TC | Time To Circular | - | Organizations |
| TC | Traceability Code | - | Organizations |
| TC | Tracking Camera | - | Organizations |
| TC | Take Care | - | ISO Country Codes |
| TC | Technetium | - | Astronomy |
| TC | Teracoulomb - Turks And Caicos (ISO 3166 Digram) - United Arab Emirates (FIPS 10-4 Country Code; From Trucial Coast States) | - | Astronomy |
