| Acronym | Definition |
|---|
| FIST | Fire Support Team |
| FIST | France Innovation Scientifique et Transfert (French) |
| FIST | Future Integrated Soldier Technology (UK) |
| FIST | Friends in Similar Tights (wrestling) |
| FIST | Federazione Italiana di Scienze della Terra (Italian: Italian Federation of Earth Science) |
| FIST | Future Infantry Soldier Technology |
| FIST | Financial Institutions Security Task Force (Oregon Bankers Association) |
| FIST | File System Translator |
| FIST | Fast Industrial-Strength Triangulation |
| FIST | Facility Instrument Science Team (Cassini Plasma Spectrometer) |
| FIST | Free Image Search Tool |
| FIST | Fugitive Investigative Strike Team |
| FIST | Full Crew Interactive Skills Trainer |
| FIST | Field Intelligence Support Team |
| FIST | Federation of Interstate Truckers (movie) |
| FIST | FMS Initial Support Team |
| FIST | Facilities Instructions Standards Techniques |
| FIST | FAA Information Superhighway for Training |
| FIST | Fleet Intelligence Support Team |
| FIST | Foodservice Instructional Simulation Technique (USA) |
| FIST | Full-Crew Integrated Trainer |
| FIST | Force, Information upon which the crowd acts; physical Space (S) involved, individual density and larger scale architectural features; Time , the duration of the incident (crowd control) |
| FIST | Flexible Infrared Signature Tools (Techniques) |
| FIST | Fundamentals of Internetworking Security Technologies (conference) |
| FIST | Feasible Under Ideal Conditions Creating a Solution or Target |
| FIST | Fully Integrated Systems Test |
| FIST | Forward Integrated Support Team |
| FIST | Feeling Intuition Sensing Thinking (Jung personality type indicator) |
| FIST | Fault Isolation by Semi-Automated Techniques |
| FIST | Fleet Imagery Support/Satellite Terminal |
| FIST | Financial Institution Safety Training (Citadel Intelligence Corporation) |
| FIST | Freelist Information Services Team |
| FIST | Farmer Initiated Safety Training |
| FIST | Financial Systems and Training (Melbourne, Australia) |
| FIST | Fellow of the Institute of Swimming Teachers |
| FIST | Fault Isolation System Tester |
| FIST | Fire Integrated Support Team |
| FIST | Federation of Independent Students of Thailand |