LLL

LLL may stand for:

Businesses and organisations

• L-3 Communications, an American electronics company
• Lululemon Athletica, an athletic apparel company based in Vancouver, Canada
• 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
• 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 Labor's Lost, a comedy by William Shakespeare
• Landau, Luckman, and Lake, a fictional holding company in Marvel Comics

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, 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, wave functions in quantum mechanics
• Lovász local lemma, a lemma in probability theory
• Lawrence Livermore Laboratory, now known as Lawrence Livermore National Laboratory, a scientific research laboratory in the United States