LCA may refer to:

Technology

  • Landing Craft Assault, a British landing craft of the Second World War.
  • LCA (Low Cost Apple), code name for the Apple IIe
  • Light Combat Aircraft program, pursued by India for the development of the HAL Tejas 4th generation fighter jet.
  • Liquid Crystal Attenuator
  • Lower control arm, component of an automobile suspension
  • Luminance-Chrominance-Audio, video signal standard, carrying brightness and color information on separate wires.

Mathematics

  • Latent class analysis in statistics, a set of observed discrete multivariate variables to a set of latent variables
  • Linear Correspondence Axiom, linguistic term belonging to the theory of antisymmetry
  • Lowest common ancestor, in graph theory, the lowest node in T that has both v and w as descendants
  • Large cardinal axiom, a type of proposed axiom in the field of set theory

Science

  • Last Common Ancestor, the most recent common ancestor of two populations that came to be separated by a species barrier
  • Longitudinal (or lateral) chromatic aberration, a form of colour distortion in optical microscopes
  • Life cycle assessment (or life cycle analysis), a technique to assess environmental impacts of products

Medicine

  • Leber's congenital amaurosis, a recessive genetic condition that causes blindness
  • Left coronary artery
  • Leukocyte common antigen

Places

  • La Crescenta, California (Amtrak station code)
  • Larnaca International Airport, Cyprus (IATA airport code)
  • Little Caesars Arena, sports arena in Detroit
  • London City Airport, a small airport in the London Docklands
  • Saint Lucia (ISO 3166-1 country code, IOC country code)

Organizations

  • Lambda Chi Alpha, one of the largest fraternities in North America.
  • Land Commissioners Association, an association of state land administrators in the United States from 1931 to 1934
  • Last Chance for Animals, a not-for-profit animal welfare organization
  • Law Council of Australia
  • LCA-Vision, a U.S. company providing LASIK vision services
  • Legal & Corporate Affairs (internal legal department, e.g. at Microsoft)
  • Leeds College of Art
  • Legalise Cannabis Alliance
  • Lexington Christian Academy (disambiguation)
  • Lutheran Church in America
  • Lutheran Church of Australia

Other

  • Labor Condition Application, included in H-1B visa application
  • Leaving Certificate Applied, a two-year programme of the Irish Department of Education and Science
  • linux.conf.au, the annual conference organised by Linux Australia (aka LCA)
  • Liquor Control Act (Manitoba ministry)
  • Lithocholic acid
  • Low cost airline
  • Landscape character assessment, the process of identifying and describing variation in character of the landscape; see