| Acronym | Definition |
|---|
| TATT➣Tired All The Time |
| TATT➣Telecommunications Authority of Trinidad and Tobago (Ministry of Public Administration) |
| TATT➣Truth About Trade and Technology (farmers' advocacy group; Des Moines, IA) |
| TATT➣Tristan and the Troubadours (band) |
| TATT➣Transfer and Trading in Technology |
| TATT➣Technical & Aircrew Training Technologies |