LD may refer to:
Arts and entertainment
Film and television Lorraine "L.D." Delacorte, a character on the TV series Degrassi Larry David, sometimes referred to as L.D. on the television show Curb Your Enthusiasm Latin Disciples, a fictional gang in television series Day Break Living Dangerously (wrestling series), an Extreme Champion Wrestling pay-per-view event (ECW PPV) Low-definition television (LDTV) "-LD", a United States call sign suffix signifying a low-power digital television station LaserDisc or MCA Discovision is a 12 inch Analog Video optical disc Music Lil Dicky (born 1988), American rapper Little Doses, a Scottish alternative rock band Luis Dubuc (born 1985), American musician LD (rapper), British rapper Lemon Demon, American musical project and band
Other uses in arts and entertainment Lighting designer, a person in charge of lighting in theatre
Businesses and organizations Air Hong Kong (IATA code LD) Light Dragoons, a British Army cavalry regiment Línea Turística Aereotuy (IATA code LD) London Drugs, a Canadian pharmacy and retail chain Louis Dreyfus Company, a French commodities trading firm
Economics and finance Contract law Liability damages Liquidated damages
Currencies Liberian dollar, the currency of Liberia Libyan dinar, the currency of Libya Liberty dollar (private currency), produced in the US
Places LD postcode area, also known as the Llandrindod Wells postcode area, in Wales Lakshadweep, India (ISO 3166-2 code LD) County Longford, Ireland (code LD)
Politics Liberal democracy, a form of government based on rule of the people (democracy) tempered by the rule of law and natural rights (liberalism) Lincoln–Douglas debate, a form of debate Liberal Democrats (UK), a UK political party Lord, a peer of the realm in the United Kingdom
Science, technology, and mathematics Astronomy Lilian day, a variant of the Julian day Lunar distance, the distance between the Earth and the Moon, used as a general measure of distance
Biology and medicine Lactate dehydrogenase, an enzyme in plants and animals Lateral dorsal nucleus of thalamus, an anatomic structure of the brain Learning disability, a condition that can impair learning through standard methods Lethal dose, an indication of the lethal toxicity of a given substance or type of radiation Licensed Dietitian Linkage disequilibrium, in genetics, when alleles occur together more often than they would by chance Lucid dreaming, a dream in which one is conscious of dreaming as it is happening
Electronics and computing ld, an instruction on a Z80 CPU ld (Unix), the linker command on Unix and Unix-like systems Laser diode, semiconductor laser-emitting device LaserDisc, an obsolete optical disc video/data format and predecessor to DVD Levenshtein distance, a string metric for measuring the difference between two sequences. Line Dubbed, a term for unlicensed copies of films with an audio track, which has been ripped from the line out connection of a projector Linked data, a method of publishing structured data so that it can be interlinked and become more useful The 'Linked Document' in the NISO standard Content Profile/Linked Document, a data serialisation format
Telecommunications Long-distance calling, a telephone call charged at a higher rate Loop Disconnect dialing
Other uses in science and technology (chemistry) D/L nomenclature, used in naming chemical compounds (linguistics) Language Development, the changes that take place in language, speech & communication in the context of children's development (manufacturing) Linz-Donawitz process, a widely used process in Basic oxygen steelmaking (mathematics) Binary logarithm, , from the Latin logarithmus dualis (military) Laser designator, used by the military for targeting (physics) London dispersion force, weak intermolecular forces (statistics) Listwise deletion, a method of handling missing data
Other uses LD (cigarette), a brand of cigarette (communications) Lincoln–Douglas debate format (sociology) Long-distance relationship (sports) Line drive, in baseball (sports) Ludum Dare, a game development competition
See also eLDee, Nigerian rapper and record producer 1D (disambiguation), similar in glyphic structure to "lD"/"ld"(1d) ID (disambiguation), similar in glyphic structure to "lD"/"ld"(Id) Ladder diagram (disambiguation), various meanings