| Acronym | Definition |
|---|
| ATTF | All Tripura Tiger Force |
| ATTF | Aircraft Tracking Task Force (International Air Transport Association) |
| ATTF | Auto Theft Task Force |
| ATTF | Anti-Terrorism Task Force |
| ATTF | Agence de Transfert de Technologie Financière (French: Financial Technology Transfer Agency; Luxembourg) |
| ATTF | Association des Techniciens Supérieurs Territoriaux de France (French: Association of Senior Territorial Technicians of France) |
| ATTF | Air Toxics Task Force |
| ATTF | All Things That Fly (podcast) |
| ATTF | Advanced Technology Task Force (US DOT) |
| ATTF | American Telephone and Telegraph Foundation |