| Acronym | Definition |
|---|
| TFL | Thanks for Lying (USA) |
| TFL | Transport for London |
| TFL | The Firing Line (website) |
| TFL | The Fanlistings (message board) |
| TFL | TRICARE for Life (health care system for retired military) |
| TFL | Tackle for Loss |
| TFL | The Fund Library (Canada) |
| TFL | Thermally Fused Laminate (panels) |
| TFL | Thanks for Looking |
| TFL | Teflon |
| TFL | The French Laundry (restaurant; Yountville, CA) |
| TFL | Tree Farm Licence (forest industry) |
| TFL | Tensor Fasciae Latae (muscle) |
| TFL | The Fallen Lords (Game) |
| TFL | Terry Fox Laboratory (British Columbia Cancer Agency; British Columbia, Canada) |
| TFL | The Flaming Lips (band) |
| TFL | Time from Launch (US NASA) |
| TFL | Telemetry Format Load (US NASA) |
| TFL | Telecom Fiji Limited |
| TFL | Tuition Fee Loan (Singapore) |
| TFL | Training for Life (UK) |
| TFL | Thin Film Laboratory (various locations) |
| TFL | Task Force Leader |
| TFL | Télé Formation Lecture (French mediation training resource) |
| TFL | Time for Lunch |
| TFL | Transport, Forwarding, Logistics (various companies) |
| TFL | Temptation Foods, Ltd. (India) |
| TFL | Tasmanian Football League (AU) |
| TFL | Team Fortress League (gaming league) |
| TFL | Toronto Fun League (LAN gaming group) |
| TFL | Time for Lyme, Inc (Greenwich, CT) |
| TFL | Transfer Flight Level |
| TFL | True Forced Loneliness |
| TFL | Toxic Free Legacy (various locations) |
| TFL | Thugs for Life |
| TFL | Time-Frequency Localization |
| TFL | Transparent Failure Location |
| TFL | Thulium Fiber Laser |
| TFL | Temporary Fuel Location (Texas evacuation preparedness) |