APA

• Acolytes Protection Agency, a professional wrestling tag-team • Agency for the Performing Arts, a talent and literary agency • Father (1966 film) () == Government and politics ==

• Administrative Procedure Act, a statute controlling administrative agencies of the federal government of the United States • Administrative Procedure Act (Switzerland) • Advance pricing agreement • Approved Publication Arrangement • Accredited parliamentary assistant to a Member of the European Parliament ==Language==

• Americanist phonetic notation or the American phonetic alphabet • Southern Athabaskan languages excluding Navajo (ISO 639 code: apa) == Organizations and businesses==

Australia • APA Group (Australia), electricity generation and gas pipeline company • Aborigines Progressive Association • Australian Parkour Association • Australian Progressive Alliance Japan • Japan Advertising Photographers' Association • APA Group (Japan), a Japanese hotel chain United Kingdom • All Peoples' Association (1930–1936), a British organisation for international amity • Army Prosecuting Authority, former government body • Association of Publishing Agencies United States • APA – The Engineered Wood Association, formerly the American Plywood Association • APA Corporation, an energy company • A-P-A Transport Corp., New Jersey • Adirondack Park Agency, New York • Agency for the Performing Arts, a talent and literary agency • Allied Pilots Association, a labor union for American Airlines pilots • American Payroll Association • American Philological Association, devoted to Greek and Roman civilization • American Philosophical Association • American Planning Association, representing the field of city and regional planning • American Polygraph Association • American Poolplayers Association • American Poultry Association • American Protective Association, a former anti-Catholic organization • American Psychiatric Association • Anglican Province of America, a church • Austin Peace Academy, an Islamic school in Texas Elsewhere • Asian Pickleball Association • Association of Panamerican Athletics • Austria Press Agency (German: ) • Azerbaijan Press Agency • NSDAP Office of Foreign Affairs (Außenpolitisches Amt der NSDAP), a Nazi Party organization • Peruvian Astronomy Association (Spanish: ), in Peru ==People==

• Apa (footballer) (born 2000), Spanish footballer • Apa of Slavonia, 12th-century Hungarian noble • Apa Sherpa, a Nepali Sherpa and famous Mt. Everest mountaineer • KJ Apa (born 1997), New Zealand actor ==Places==

Asia • Apa, Acıpayam • Upu, a historic region surrounding Damascus (alternative transliteration) • The Hong Kong Academy for Performing Arts North America • Apache Railway, Arizona, U.S. (by reporting mark) • Anderson Preparatory Academy, a school in Indiana, United States • Centennial Airport, Colorado, United States (by IATA code) Other places • Antarctic Protected Area, several types of zone on Antarctica • Apa, Benue, a local government area in Benue State, Nigeria • Apa, Lagos, a locality in Lagos State, Nigeria • Apa River, frontier between Brazil and Paraguay. • Apa, Satu Mare, a commune in Romania ==Maritime==

• Apa (ship), an Amazonas-class corvette of the Brazilian Navy • Advance provisioning allowance • A retired US Navy hull classification symbol: Attack transport (APA) == Science and technology ==

• Aldosterone-producing adenoma • All points addressable • Amplified piezoelectric actuator • Atypical polypoid adenomyoma • Apa, a type of Bronze Age sword named after the Romanian village == Other uses ==

• Apa, Coptic form of Ab (Semitic) • Amateur press association, any group of people who self-publish material among themselves • American pale ale • Antarctic Protected Area, several types of place on Antarctica • Asian Pacific American • Asset purchase agreement • Australian Postgraduate Awards