LL is an initialism which may stand for:

Companies and organizations

• Lian Li, a Taiwanese manufacturer of computer cases and accessories
• Lords and Ladies, a Discworld novel by Terry Pratchett
• Love Letter
• Little league, a non-profit organization in the United States
• Linden Lab, makers and publisher of Second Life

Concepts

• Lebanese pound, "Livre Libanaise" in French
• The word legis (Latin for laws) in law degrees
• Limited liability
• long line (telecommunications), a term for a long-distance telephone network
• LL parser in computer science
• Lucky loser (tennis), Loser who can qualify because another competitor is dismissed.

Other

• Miami Air International (IATA code: LL)
• The Evil of the Daleks, a Doctor Who episode (production code: LL)
• Late Latin
• Linked list, a type of data structure
• Liquid Limit in geotechnical engineering
• Lucas–Lehmer test, a primality test
• Lucas–Lehmer test for Mersenne numbers, the primality test used to find the seven of the top ten largest known primes
• Alternative name for the XL clothing size
• Lincoln Logs
• ll is a command used to list files using a long format in many Unix and Unix-like operating systems, as an alternative to ls -l

People and characters

• Lex Luger, a pro wrestler
• Leona Lewis, a British singer
• Lindsay Lohan, an American actress and singer
• Lisa Lisa & Cult Jam, an American R&B/Freestyle group
• LL Cool J, an American rapper
• Luc Luycx, designer of the common side of euro coins
• From the Superman universe
  • Lois Lane, female love interest for Superman
  • Lex Luthor, antagonist
  • Lana Lang, another love interest for Superman.
  • Lionel Luthor, Lex Luthor's official father
  • LASER LINDEN, Johan Linden, fat boy in Sweden

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