| Abbreviation | Definition |
|---|---|
| THN | Thin |
| THN | Trigger Happy Nutters |
| THS | The Head Shooters |
| TI | The Informer |
| TIC | Tenancy In Common |
| TIC | Testimony Insight Confidence |
| TIGER | Tactical Intervention Guided Emergency Response |
| TILA | Truth in Lending Act |
| TINA | There Is No Average |
| TINA | Truth In Negotiations Act |
| TIP | Terminable Interest Property |
| TIP | Total Inmate Penetration |
| TIP | Turn In a Poacher |
| TIPS | Terrorism Information Prevention System |
| TitleXIX | Medicaid (Title XIX of the Social Security Act) |
| TIW | Trafficking In Women |
| TJ | Texas Justice |
| TJ | Truth and Justice |
| TJA | Texas Jail Association |
| TJA | Transformative Justice Australia |