FLIRT
| Acronym | Definition |
|---|---|
| FLIRT | Flinker Leichter Innovativer Regional-Triebzug (German train) |
| FLIRT | Fast Light Innovative Regional Train (transportation) |
| FLIRT | Fast Ladies Into Riding Together (motorcycle riding club) |
| FLIRT | Forward Looking Infrared Tracking |
| FLIRT | Fast Linear Intermediate Range Transmission Loss Model |
| FLIRT | Feinberg Library Internet Resource Tracker |
| FLIRT | Free Living Intense Recreation Troupe (Oklahoma) |