LPE

LPE may refer to:

• Lambda Pi Eta, a collegiate honor society
• LAN Perú, an airline
• Lapeer (Amtrak station), a train station
• LimeWire Pirate Edition, file sharing software
• Lingenfelter Performance Engineering, a car modifier
• Liquid phase epitaxy, a semiconductor manufacturing process
• Liquid phase exfoliation, a method of processing chemical solutions
• Lone pair electrons, an atomic valence structure
• Local privilege escalation, a type of software exploit
• London Press Exchange, an advertising agency
• Louisiana Purchase Exposition, 1940 World's Fair in St. Louis, MO
• Lysophosphatidylethanolamine, a type of organic chemical
• Longitude of the periapsis, a dimension of orbit
• Lepki language, of Western New Guinea