LPA

• Argentine Patriotic League (Liga Patriótica Argentina)
• Lao People's Army
• Liberal Party of Australia
• Libertarian Party of Alabama, USA
• Lieutenants Protection Association, an association of junior army officers
• Lincoln Park Academy, a school in Florida
• Live Performance Australia, which organises the Helpmann Awards
• Little People of America, supports people with dwarfism
• Local planning authority, UK
• Logic Programming Associates, a software company
• London Psychogeographical Association

• L-Phenylalanine
• Lipoprotein(a) or Lp(a), a human gene
• Lysophosphatidic acid, involved in cell proliferation and Rho signalling

• Gran Canaria International Airport, Spain, IATA code
• A US Navy hull classification symbol: Amphibious transport (LPA)

• Label propagation algorithm, a semi-supervised machine learning algorithm
• Lasting power of attorney in English law
• Low-pressure area

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