Lesk

Lesk may refer to:
 * Łęsk, a settlement in Warmian-Masurian Voivodeship, Poland
 * Arthur M. Lesk, American molecular biologist
 * Mike Lesk, American computer scientist
 * Lesk algorithm, a classical algorithm for word sense disambiguation
 * Training Air Wing, Finnish Air Force (Finnish: Lentosotakoulu; LeSK), the Finnish Air Force pilot jet aircraft training school