| Abbreviation | Definition |
|---|---|
| TGJ | Travis G. Johnson |
| TGNA | Tuan Guru Nik Aziz |
| TH | Tim Horton |
| TH | Tom Hanks |
| TH | Tomlinson Holman, film technologist |
| THE | Thomas Hewitt Edward Cat |
| TIP | Thomas P. O'Neil |
| TJ | Thomas Jackson |
| TJ | Thomas Jefferson |
| TJ | Thurman John |
| TJ | Tiger Jones |
| TJ | Tokyo Joe |
| TJ | Tom Jones |
| TJ | Trevor Jenkins |
| TJA | Thomas J. Anastasio |
| TJG | Thomas James Genz |
| TJJ | Thomas J. (Stonewall) Jackson |
| TJO | Tara Jane O'Neil |
| TJP | T. Jefferson Parker |
| TJR | Timothy John Ramirez |