| Acronym | Definition |
|---|
| FITS | Fun in the Saddle (clothing) |
| FITS | Flexible Image Transport System |
| FITS | Fun in the Sun |
| FITS | Feeding Infants and Toddlers Study |
| FITS | Function Interpolating Transform System |
| FITS | Framework for ICT Technical Support |
| FITS | FAA/Industry Training Standards |
| FITS | Fully Integrated Tactical System |
| FITS | Functional Interpolating Transformation System |
| FITS | Finite-Time Reputation System (networks) |
| FITS | FORCEnet Implementation Tool Suite (US DoD) |
| FITS | Fixed Income Transaction Service |
| FITS | Flexible Interchange Transport System |
| FITS | Future Integrated Telecommunications System |
| FITS | Functional Individual Training System |
| FITS | Fault Isolation Test Set |
| FITS | Fleet Inventory Transaction System (USN) |
| FITS | Field Issue Tracking System |
| FITS | Foreign Issues Tracking System |
| FITS | Fruition IT Solutions LLC (Buffalo Grove IL) |
