| Abbreviation | Definition |
|---|---|
| TJ | Theodore Joseph |
| TJ | Theodore, Junior |
| TJ | Theresa Joacin |
| TJ | Theron Junior |
| TJ | Thomas James |
| TJ | Thomas Jay |
| TJ | Thomas Jethro |
| TJ | Thomas John |
| TJ | Thomas Jonathan |
| TJ | Thomas Joseph |
| TJ | Thomas, Junior |
| TJ | Thunder Jack |
| TJ | Ti Juan |
| TJ | Tiger Junior |
| TJ | Tigger, Junior |
| TJ | Tim Jared |
| TJ | Timmy John |
| TJ | Timothy James |
| TJ | Timothy Jeffrey |
| TJ | Timothy John |