| 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) |