| Acronym | Definition |
|---|
| PTL | Praise The Lord |
| PTL | Preterm Labor |
| PTL | Pick-To-Light (automation technology) |
| PTL | Patrol Officer (law enforcement) |
| PTL | Pedro the Lion (band) |
| PTL | Photovoltaic Testing Laboratory (Arizona State University) |
| PTL | Parent Teacher League |
| PTL | Pass The Loot |
| PTL | Pass-Transistor Logic (lowering power consumption in digital circuits) |
| PTL | Pressure Treated Lumber |
| PTL | Physical Training Leader |
| PTL | Part-Time Lecturers |
| PTL | Part Time Lover |
| PTL | Pay the Lady (National Thoroughbred Racing Association) |
| PTL | Pushing the Limits (gaming team) |
| PTL | Periodic Table Live! (software) |
| PTL | Polskie Towarzystwo Lekarskie |
| PTL | Physikalisch Technische Lehranstalt (Wedel, Germany) |
| PTL | ProTrader Language |
| PTL | Primary Target Line |
| PTL | Post Tenebras Lux (Latin: Light After Darkness) |
| PTL | Pass the LEED (Leadership in Energy and Environmental Design; examination preparation service) |
| PTL | Portable Traffic Light |
| PTL | Prime Transport Limited |
| PTL | Platform Team Leader |
| PTL | Push-The-Limit |
| PTL | Prise de Terrain en L (aeronautics) |
| PTL | Plant-the-Land (apparel company) |
| PTL | Passion Tea Lemonade (beverage) |
| PTL | Party To Loss (insurance) |
| PTL | Paschell Truck Lines |
| PTL | Petroleum Testing Laboratory |
| PTL | Protecting the US Technical Lead |
| PTL | Pharnygotracheal Lumen (airway device) |
| PTL | Property Tax Listing |
| PTL | Partner Technical Lead |
| PTL | Program/Project Team Leader |
| PTL | Portable Toilets Limited (UK) |
| PTL | Planar Transmission Line |
| PTL | Peak Traffic Load |
| PTL | Phase-Transition Logic |
| PTL | Powered Takeoff and Landing (aeronautics) |
| PTL | Part Truck Load (shipping) |
| PTL | Positive Train Location (US DOT) |
| PTL | Phoenix Technologies Ltd. (various locations) |