| Acronym | Definition | 
|---|
| TIT➣Title | 
| TIT➣Titus | 
| TIT➣This Is True | 
| TIT➣Transactions on Information Theory (IEEE) | 
| TIT➣Treasurer in Trust (various companies) | 
| TIT➣Tokyo Institute of Tourism (Tokyo, Japan) | 
| TIT➣Tokyo Institute of Technology | 
| TIT➣Turbine Inlet Temperature | 
| TIT➣This Is Terrible | 
| TIT➣This Is Thailand (Bangkok Post) | 
| TIT➣Trans Inside Travel (German relaxation company) | 
| TIT➣Travel in Taiwan (magazine) | 
| TIT➣Tenchi In Tokyo (anime) | 
| TIT➣Time in Transit | 
| TIT➣Teacher in Training | 
| TIT➣Total Information Technology (Robin Williams) | 
| TIT➣Taste in Television (Married with Children) | 
| TIT➣Technologies de l'Information et des Télécommunications (French: Information Technology and Telecommunications) | 
| TIT➣Ternary Digit | 
| TIT➣Trotters Independent Trading | 
| TIT➣The Internet Times | 
| TIT➣Triangle Inequality Theorem (algebra and Euclidean geometry) | 
| TIT➣Temperature Indicating Transmitter | 
| TIT➣Tripura Institute of Technology (India) | 
| TIT➣Tennessee Institute of Technology | 
| TIT➣Tonino International Trading (The Netherlands) | 
| TIT➣Technician Induced Trouble | 
| TIT➣Torpedo Impulse Tank | 
| TIT➣Tugaya Institute of Technology | 
| TIT➣Trotter's International Trading | 
| TIT➣Topkatours International Travel (Istanbul, Turkey) | 
| TIT➣Tactical Intelligence Team (Mad TV) |