| Acronym | Definition |
|---|
| LTF | Liver Function Test |
| LTF | Life Time Fitness |
| LTF | Long Training Field (wireless communications) |
| LTF | Language Translation Facility |
| LTF | Light Transmission Factor (optometry) |
| LTF | Limited Term Faculty (various universities) |
| LTF | Lightning Training Flight (aircraft; UK) |
| LTF | Local Transportation Fund |
| LTF | Learning to Fly |
| LTF | Loyal to Family |
| LTF | Loan to Facilitate |
| LTF | Lost to Follow-Up (testing) |
| LTF | Long Term Fund (investing) |
| LTF | Listening to Fear (Buffy the Vampire Slayer) |
| LTF | Logistics Task Force |
| LTF | Life Time Friend |
| LTF | Legislative Task Force |
| LTF | Light the Fire |
| LTF | Line Trunk Frame (telecommunications) |
| LTF | Lead the Fleet (US DoD program) |
| LTF | Language-Trait Focused (linguistic) |
| LTF | Largest Task First (scheduling strategy) |
| LTF | Leap to Frogans |
| LTF | Long Term Forecast |
| LTF | Laying the Foundation, Inc. (Dallas, TX) |
| LTF | Low Temperature Facilities |
| LTF | Long Term Facility (hospitals) |
| LTF | Lung Transplant Foundation (Raleigh, NC) |
| LTF | Lackland Training Facility |
| LTF | Long Term Fatigue |
| LTF | Local Training Flight |
| LTF | Look, Tone and Feel |
| LTF | Long-Term Fix |
| LTF | Liquid Tight Fitting (connector) |
| LTF | Live the Fourth (Kairos retreats) |
| LTF | Latest Thinking Forecast (project or budget revisions) |
| LTF | Lebanese Taekwondo Federation |