LJ

LJ may refer to:

• Sierra National Airlines' IATA code
• LJ, the sequent calculus of Gentzen's for intuitionist logic
• LiveJournal
• Linux Journal
• La Jolla, California
• Library Journal
• Lightweight Java
• Ljubljana, the capital of Slovenia
• LaserJet
• Lord Justice of Appeal (plural: LJJ)
• Larry Johnson (basketball, born 1969)
• Lawrence Jackson, USC defensive lineman
• Larry Johnson (American football)
• LJ Reyes
• LJ Create
• Lennard-Jones potential, a function used in chemical physics
• Lemon Jelly, a British electronica duo
• Lashkar i Jhangvi, Muslim terrorist organization

Fictional characters

• L. J. Burrows

See also

• Lj, a letter used in some Slavic languages
• Lje, a letter used in Serbian