Lang might refer to:

Places

Antarctica
Australia
Austria
Canada
China
Indonesia
Iran
United States

Music

Computing

  • S-Lang, a programming language created in 1992
  • LANG, environment variable in POSIX standard that sets multiple locale parameters
  • The LANGattribute in HTML, for identifying the language of content

Other uses

  • Battle of Lang Vei, Vietnam War
  • "Langue", Ferdinand de Saussure's term for what in contemporary linguistics is referred to as "competency" or "I-language" (both Chomsky), referring to an idea of an internal cognitive "language" as distinct from surface forms—natural spoken language