LSW may stand for:
Places Landessternwarte Heidelberg-Königstuhl, a historic astronomical observatory operated by the Ruprecht Karl University of Heidelberg in Germany Leasowe railway station, a railway station in England Lee's Summit West High School, a high school in Lee's Summit, Missouri Lincoln Southwest High School, a high school in Lincoln, Nebraska Labrador Sea Water, part of the North Atlantic Deep Water water mass Malikus Saleh Airport IATA code
Organizations Liberty Seguros-Würth team, a cycling team active in Tour de France Logistics Support Wing, one of three support wings of the Australian Air Force Cadets London and South Western Railway, a railway company operating in England from 1838 to 1922
Other Dragon Ball Z: Legendary Super Warriors, a Game Boy Color game and style used in sprite editing Lego Star Wars, a Lego theme which incorporates the Star Wars saga Light Support Weapon, a type of assault rifle Land Slide Warning, an alert type in the United States Emergency Alert System Licensed Social Worker LSW Vision-Smalltalk, a commercial implementation of the Smalltalk language and development environment for Windows