LLE (disambiguation)

LLE can stand for
 * Laboratory for Laser Energetics, Rochester, NY, US
 * Liquid–liquid extraction as a chemical separation method.
 * Llanelli railway station, Carmarthenshire, Wales (National Rail station code)
 * Locally linear embedding.
 * Low-Level Emulation
 * Lugiato-Lefever equation, a framework for the study of spontaneous pattern formation in nonlinear optical systems.