LSD (disambiguation)

The three letter abbreviation LSD can have several meanings:

LSD is the hallucinogenic drug D-lysergic acid diethylamide, also known as "acid". LSD is an acronym of the German name of the compound, Lysergsäure-diäthylamid.
LSD is the US Navy hull classification symbol for Dock Landing Ship.
LSD in numerical analysis is an abbreviation for Least Significant Digit, see loss of significance.
LSD stands for limited slip differential in automobile engineering.
LSD stands for linear slot diffuser in HVAC engineering.
LSD or £sd, for Librae, Solidi, Denarii (pounds, shillings, pence) was the popular name for the pre-decimal currencies of the United Kingdom and several other countries.
The French rock and roll band La Souris Deglinguee is sometimes called LSD.
L.S.D. BBS stood for Lush Software Designs, a BBS software program developed by The Humble Guys.
LSD is an acronym for Liberating Students Digitally, an open source advocacy group at the University of Alberta, Canada.
LSD also stands for a set of compilation albums from Enigma, Love Sensuality Devotion: The Greatest Hits and The Remix Collection.
LSD is also an acronym for "Long Slow Distance", a training method used by long distance runners who eschew fast, short runs in favor of slower but longer runs.

It may also mean:

Line Sharing Device.
Chicago's Lake Shore Drive.
Long shore drift.
Lambo Style Doors, a company that offers modification kits for cars.
Liquid Sound Design, an electronic music record label.
Layered Specification Document, a hierarchical set of engineering specifications that collectively describe a system from top down.
A Beatles song title Lucy in the Sky with Diamonds often associated with the drug of the same acronym.
A Hallucinogen (musician) song title.

See also