| Acronym | Definition |
|---|
| LPI➣Linux Professional Institute (Linux) |
| LPI➣Lunar and Planetary Institute |
| LPI➣Lines Per Inch |
| LPI➣Logistics Performance Index |
| LPI➣Low Probability of Intercept |
| LPI➣La Propiedad Industrial (Spanish: Industrial Property) |
| LPI➣Lightning Protection Institute (Harvard, Illinois) |
| LPI➣Learning and Performance Institute (UK) |
| LPI➣Land Policy Institute (Michigan State University) |
| LPI➣Linux Professional Institute |
| LPI➣Low Pressure Injection |
| LPI➣Liquid Propane Injection |
| LPI➣Layer Protocol Implementation |
| LPI➣Language Proficiency Index |
| LPI➣Lender Placed Insurance |
| LPI➣Living Planet Index |
| LPI➣Language Proficiency Interview |
| LPI➣Lumosity Performance Index (metric) |
| LPI➣Laser Peripheral Iridotomy (glaucoma treatment) |
| LPI➣Lysinuric Protein Intolerance |
| LPI➣Licensed Private Investigator |
| LPI➣Libyan Petroleum Institute (Tripoli, Libya) |
| LPI➣Low Pressure Isolation |
| LPI➣Low-Pressure Injection |
| LPI➣Land & Property Information (NSW, Australia) |
| LPI➣Laps Per Incident (racing) |
| LPI➣Linkoping, Sweden - Saab (Airport Code) |
| LPI➣Live Production Institute (Las Vegas, NV) |
| LPI➣Late Payment Interest |
| LPI➣Last Patient In (clinical trials) |
| LPI➣Low Pressure Inflator (SCUBA) |
| LPI➣Linear Position Indicator |
| LPI➣Lead Program Integrator |
| LPI➣Licensed Plumbing Inspector |
| LPI➣Linder Publishing Inc. |
| LPI➣Laser Plasma Instability |
| LPI➣Liquid Photo Imaging |
| LPI➣Low Probability of Interference |
| LPI➣Last Paid Installment |
| LPI➣Louisiana Pain Initiative |
| LPI➣League of Paranormal Investigators |
| LPI➣Loss Prevention Investigator |
| LPI➣Louisiana Polytechnic Institute (now Louisiana Tech University) |
| LPI➣Launch Package Integration |
| LPI➣Labarge Products, Inc (St. Louis, MO) |
| LPI➣Little People of Ireland |
| LPI➣Life Preserving Interval (pedestrian crosswalks) |
| LPI➣Liquid Penetration Inspection |
| LPI➣Launching Position Indicator |
| LPI➣Log-Polar Image |
| LPI➣Law Protection Inc. (Canada) |