LD
LD may refer to: == Arts and entertainment == Lighting designer, a person in charge of lighting in theatre === 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 == 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 === Products === LD (cigarette), a brand of cigarette == 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.