TFSI
| Acronym | Definition |
|---|---|
| TFSI | Turbo Fuel Stratified Injection |
| TFSI | bis(trifluoromethanesulfonyl)imide, trifluoromethanesulfonimide |
| TFSI | Too Faced Shadow Insurance (makeup) |
| TFSI | Turbocharged Fuel Stratified Injection (automotive) |
| TFSI | Task Force on Statistical Inference |
| TFSI | Toyota Financial Services Italy (vehicles) |
| TFSI | Three Five Systems Inc. |
| TFSI | Tracor Flight Systems, Inc. (Mojave, CA) |