LJ

LJ may refer to:

Arts and media

 * L. J. Burrows, a fictional character on the TV series Prison Break
 * Lemon Jelly, a British electronica duo
 * Library Journal, an American trade publication for librarians
 * Linux Journal, an American monthly technology magazine
 * LiveJournal, a Russian social networking service

Businesses and organizations

 * LJ Air, a Chinese airline
 * Jin Air, a South Korean airline (IATA code LJ)
 * Lashkar i Jhangvi, a Muslim terrorist organization

People

 * L. J. F. Brimble (1904–1965), English botanist
 * L. J. Castile (born 1987), American football player
 * L. J. Collier (born 1995), American football player
 * L. J. Cooke (1868–1943), American basketball coach
 * LJ Cryer (born 2001), American basketball player
 * L. J. C. Daniels (1858–1949), American political activist
 * L. J. Davis (1940–2011), American writer
 * L. J. Fellenz (1882–1941), American politician
 * L. J. Figueroa (born 1998), Dominican-American basketball player
 * L. J. Foret (1930–2002), American musician
 * L. J. Forman (1855–1933), American politician
 * L. J. Fort (born 1990), American football player
 * L. J. Greenberg (1861–1931), British journalist
 * L. J. Hanifan (1879–1932), American economist
 * L. J. Hepp (born 1978), American basketball coach
 * L. J. Hoes (born 1990), American baseball player
 * L. J. Jenkins (born 1987), American cowboy
 * L. J. Maxwell (1851–??), American politician
 * L. J. Mazzilli (born 1990), American baseball player
 * L. J. McCray (born 1991), American football player
 * L.J. McCray (defensive lineman) (born 2005), American football player
 * L. J. Peak (born 1996), American basketball player
 * LJ Reyes (born 1987), Filipino actress
 * L. J. Roberts (born 1980), American textile artist
 * L. J. Seneviratne (1899–??), Sri Lankan civil servant
 * L. J. K. Setright (1931–2005), English journalist
 * L. J. Sevin (1930–2015), American venture capitalist
 * L. J. Shelton (born 1976), American football player
 * L. J. Smith (born 1980), American football player
 * L. J. Smith (author) (born 1965), American author
 * L. J. van Zyl (born 1985), South African athlete
 * Larry Johnson (basketball, born 1969), American basketball player
 * Lawrence Jackson (born 1985), American football player

Places

 * La Jolla, California
 * Ljubljana, the capital of Slovenia

Science and technology

 * System LJ, Gentzen's sequent calculus for intuitionist logic
 * LaserJet, a printer brand name
 * Lennard-Jones potential, a function used in chemical physics
 * Lightweight Java, a programming language

Other uses

 * ǈ (digraph), a digraph used in some Slavic languages
 * Lord Justice of Appeal