| Acronym | Meaning |
| T/C | Table of Contents |
| T/C | Tactical Coordinator |
| T/C | Telephone Call |
| T/C | Termination for Convenience |
| T/C | Thrust Chamber (US NASA) |
| T/C | To Consider |
| T/C | Top of Climb (aviation) |
| T/C | Track Correlation |
| T/C | Traffic Collision |
| T/C | Transfer Canal |
| T/C | Turn Coordinator (aviation) |