LST may refer to:

• Licentiate of Sacred Theology
• Liston College
• London School of Theology

• Law School Transparency
• Linux Support Team, a defunct German Linux distributor (LST Linux, Power Linux) since 1993
• LST Software GmbH (from Linux System Technology), a German software company, successor of Linux Support Team and predecessor of Caldera Deutschland GmbH

• Launceston Airport
• Liverpool Street station, a major railway and tube station in London (station code LST)

• Land Surveyor in Training
• Landing Ship, Tank, a type of ship designed to support amphibious operations
• Laplace-Stieltjes transform, a transform similar to the Laplace transform
• Large Space Telescope, the Hubble Space Telescope
• Living Systems Theory
• Log-space transducer, a type of Turing machine used for log-space reductions
• Löwenheim–Skolem theorem, a theorem in first-order logic dealing with the cardinality of models
• Lowstand systems tract, a systems tract in sequence stratigraphy
• LST:, a built-in device driver name in 86-DOS and some versions of MS-DOS 1.25
• Lyddane–Sachs–Teller relation for optical phonons in solids or the related relation for hydrodynamics

• Least slack time scheduling
• Local Sidereal Time
• Local Standard Time

• L.S.T. (album)

• All pages with titles beginning with LST
• All pages with titles containing LST
• list (disambiguation)
• LSST (disambiguation)