LSST may refer to:
Large Synoptic Survey Telescope, former name of the Vera C. Rubin Observatory astronomical observatory in Chile Legacy Survey of Space and Time, an astronomical survey performed at the Vera C. Rubin Observatory Lowstand systems tract, a type of sedimentary deposit in sequence stratigraphy The Priory Academy LSST, formerly Lincoln School of Science and Technology, a school in Lincolnshire, England, UK Legal Services Support Team, units of the United States Marine Corps Judge Advocate Division
See also
LST (disambiguation) list (disambiguation)