LLL may refer to:

Businesses and organisations

* L3 Technologies, an American defense contractor formerly with the NYSE stock symbol LLL * La Leche League, an organization that promotes breastfeeding

Education

* LL.L (''Legum Licentiatus''), a degree in civil law at various Canadian universities (especially in Québec) *

Lifelong learning Lifelong learning is the "ongoing, voluntary, and self-motivated" pursuit of learning for either personal or professional reasons. Lifelong learning is important for an individual's competitiveness and employability, but also enhances social in ...

* Lambda Lambda Lambda, a co-ed fraternity

Entertainment

* '' Leisure Suit Larry in the Land of the Lounge Lizards'', the first of a series of video games * ''

Love's Labour's Lost ''Love's Labour's Lost'' is one of William Shakespeare's early comedies, believed to have been written in the mid-1590s for a performance at the Inns of Court before Queen Elizabeth I. It follows the King of Navarre and his three companions as ...

'', a comedy by William Shakespeare * Landau, Luckman, and Lake, a fictional holding company in Marvel Comics * LLL, the production code for the 1972 ''Doctor Who'' serial ''

The Sea Devils ''The Sea Devils'' is the third serial of the ninth season of the long-running British science fiction television series ''Doctor Who'', which was first broadcast in six weekly parts on BBC1 from 26 February to 1 April 1972. It was written by Ma ...

'' * "L. L. L.", a 2015 song by

Myth & Roid Myth & Roid (stylized in all caps) is a Japanese pop rock band centered around Tom-H@ck (guitar, composer, production) and hotaru (lyrics, story planning), featuring multiple vocalists. The band made its debut in 2015 with the release of its fi ...

Military units

Loyal Lusitanian Legion The Loyal Lusitanian Legion (LLL) was a foreign volunteer corps of the British Army, organized with Portuguese émigrés in England, that fought in the Peninsular War. The LLL was created by the initiative of Portuguese Army Colonels José Maria ...

, a foreign volunteer corps of the British Army, that fought in the Peninsular War

Religion

* Lutheran Laymen's League, also known as Lutheran Hour Ministries, a Christian outreach ministry * "Lunatic, Liar, or Lord", a common summary of

Lewis's trilemma Lewis's trilemma is an apologetic argument traditionally used to argue for the divinity of Jesus by postulating that the only alternatives were that he was evil or mad.Lewis, C. S. (1970). "Christian Apologetics", ''God in the Dock''. Grand Rapid ...

, a theological argument from C. S. Lewis

Science, technology, computing

Low-level programming language A low-level programming language is a programming language that provides little or no Abstraction (computer science), abstraction from a computer's instruction set architecture, memory or underlying physical hardware; commands or functions in the ...

, such as machine code or assembly *

Lenstra–Lenstra–Lovász lattice basis reduction algorithm The Lenstra–Lenstra–Lovász (LLL) lattice basis reduction algorithm is a polynomial time lattice reduction algorithm invented by Arjen Lenstra, Hendrik Lenstra and László Lovász in 1982. Given a basis \mathbf = \ with ''n''-dimensional int ...

, a polynomial time lattice reduction algorithm * Lowest

Landau level In quantum mechanics, the energies of Cyclotron motion#Cyclotron resonance, cyclotron orbits of charged particles in a uniform magnetic field are quantized to discrete values, thus known as Landau levels. These levels are Degenerate energy level, d ...

, wave functions in quantum mechanics *

Lovász local lemma In probability theory, if a large number of events are all independent of one another and each has probability less than 1, then there is a positive (possibly small) probability that none of the events will occur. The Lovász local lemma allows a s ...

, a lemma in probability theory * Lawrence Livermore Laboratory, now known as

Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory (LLNL) is a Federally funded research and development centers, federally funded research and development center in Livermore, California, United States. Originally established in 1952, the laboratory now i ...

, a scientific research laboratory in the United States * One of the programming languages used in

Ethereum Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization. It is open-s ...

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