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 Bachelor of Civil Law (abbreviated BCL, or B.C.L.; la, Baccalaureus Civilis Legis) is the name of various degrees in law conferred by English-language universities. The BCL originated as a postgraduate degree in the universities of Oxford and Camb ...

(''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"Department of Education and Science (2000).Learning for Life: Paper on Adult Education Dublin: Stationery Office. pursuit of knowledge for either personal or professional reasons ...

* 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 Elizabeth I of England, Queen Elizabeth I. It follows the King of Navarre and ...

'', a comedy by William Shakespeare *

Landau, Luckman, and Lake Landau, Luckman, and Lake or LLL is a fictional holding company appearing in American comic books published by Marvel Comics, particularly in the pages of the ''Wolverine'', ''Uncanny X-Men'' and ''Deadpool'' comic books. Created by writer Chris ...

, a fictional holding company in Marvel Comics * LLL, the production code for the 1972 ''Doctor Who'' serial '' The Sea Devils'' * "L. L. L.", a 2015 song by Myth & Roid

Military units

* Loyal Lusitanian Legion, 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 Lutheran Hour Ministries (LHM) is a Christian outreach ministry affiliated with the Lutheran Church–Missouri Synod, Lutheran Church - Canada and Lutheran Women in Mission (LWML). Its mission is "Bringing Christ to the Nations—and the Nations t ...

, a Christian outreach ministry * "Lunatic, Liar, or Lord", a common summary of Lewis's trilemma, a theological argument from C. S. Lewis

Science, technology, computing

* Low-level programming language, such as machine code or assembly * Lenstra–Lenstra–Lovász lattice basis reduction algorithm, a polynomial time lattice reduction algorithm * Lowest

Landau level In quantum mechanics, Landau quantization refers to the quantization of the cyclotron orbits of charged particles in a uniform magnetic field. As a result, the charged particles can only occupy orbits with discrete, equidistant energy values, call ...

, 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 on ...

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

Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory (LLNL) is a federal research facility in Livermore, California, United States. The lab was originally established as the University of California Radiation Laboratory, Livermore Branch in 1952 in response ...

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