LNT

LNT may refer to:
 * Alliant Energy (stock symbol LNT)
 * Leave No Trace camping
 * Linear no-threshold model for ionizing radiation
 * Latvijas Neatkarīgā Televīzija, TV station
 * Lean NOx trap, an NOx adsorber
 * A computer language descended from E-LOTOS
 * One of two treaties signed prior to the Second World War:
 * London Naval Treaty (1930)
 * Second London Naval Treaty (1936)