| Abbreviation | Definition |
|---|---|
| TC | The Times Courier |
| TC | Title Card |
| TC | Top Celeb |
| TCA | Teen Choice Awards |
| TCA | Television Critics Association |
| TCA | The Constantine Answer |
| TCBY | Three Cats Being Young |
| TCC | The Children's Channel |
| TCDL | Twin Cities Daily Liberal (newspaper) |
| TCEB | Triangle Coalition Electronic Bulletin |
| TCF | Tragedy, Comedy, Fairytale |
| TCH | The Crimson Harlot |
| TCI | Telecommunication Company of Iran |
| TCL | Texture, Clipping, and Lighting |
| TCL | Transformation, Clipping, and Lighting |
| TCN | The Comcast Network |
| TCQ | Technical Communication Quarterly |
| TCSN | Total College Sports Network |
| TCT | Total Christian Television |
| TD | Tape Delay |