Lup

LUP may refer to:

  • Lift Upgrading Programme, a Singapore Housing and Development Board (HDB) project
  • Lead units of pressure, a measurement for the estimation of chamber pressures in firearms
  • Kalaupapa Airport, Hawaii (IATA Code: LUP)
  • LUP decomposition, a matrix decomposition useful in solving an n-by-n systems of linear equations
  • Leiden University Press, a publishing house and part of Leiden University
  • Liberty Union Party, a political party of Vermont, USA
  • Lifeless undead phenomenon, a term originating in the Richard Matheson story "Dance of the Dead"