AHA, Aha, or aha may refer to:

Arts, entertainment and media

  • a-ha, a Norwegian pop music band
  • Aha (streaming service), an Indian service offering Telugu content
  • Association of Hispanic Arts, a New York-based non-profit organization that promotes the work of Hispanic artists
  • "Aha", a 2009 song by British singer Imogen Heap

Hockey

  • Amateur Hockey Association, an amateur men's ice hockey league in Canada from 1886 to 1898
  • American Hockey Association (1926–1942)
  • American Hockey Association (1992–1993)
  • Atlantic Hockey America, an NCAA Division I ice hockey conference with men's and women's divisions which operates primarily in the northeastern U.S.
  • Atlantic Hockey Association, a men-only ice hockey conference which merged into the new Atlantic Hockey America in 2024

Organizations

  • AHA Foundation, a nonprofit organization for the defense of women's rights
  • Administration for a Healthy America, a planned operating agency of the U.S. Department of Health and Human Services
  • Allianz vun Humanisten, Atheisten an Agnostiker, an association of humanists, atheists and agnostics based in Luxembourg
  • American Heart Association, a non-profit organization in the US that promotes cardiac care
  • American Hebrew Academy, an American Jewish pluralistic college preparatory boarding school
  • American Historical Association, the oldest and largest society of historians in the US
  • American Homebrewers Association, an American trade group concerned with the promotion of craft beer and homebrewing
  • American Hospital Association, a trade group founded in 1898 to the promote health care industry
  • American Humane Association, an organization founded in 1877 dedicated to the welfare of animals and children
  • American Humanist Association, an educational organization in the US that advances secular humanism
  • Arabian Horse Association, an organization that registers Arabian horses in the US
  • Area health authority, a former type of administrative organisation of the NHS in England and Wales
  • Association of Hispanic Arts, a New York-based non-profit organization that promotes the work of Hispanic artists
  • Atlanta Housing Authority, an organization to develop, acquire, lease and operate affordable housing
  • Australian Hotels Association, an employer advocacy and lobby group representing hoteliers around Australia

People

  • Hor-Aha, a First Dynasty Egyptian pharaoh
  • Rabbi Aha, fourth century rabbi in the Land of Israel
  • Aha bar Jacob, third or fourth century Babylonian rabbi
  • Aha b. Rava, fourth or fifth century Babylonian rabbi
  • Achai Gaon, also known as Aha of Shabḥa, eighth century Talmudist and scholar

Science and technology

  • Alpha hydroxy acid, a class of chemical compounds that consist of a carboxylic acid substituted with a hydroxyl group on the adjacent carbon
  • Aha (wasp), a genus of Australian wasp
  • Aha ha, an Aha species abbreviated as A. ha
  • Avoid hasty abstractions, a computer programming methodology

Other uses

  • Aboriginal Heritage Act 1972, Western Australian legislation also known as the AHA
  • Aboriginal Heritage Act 1988, South Australian legislation also known as the AHA
  • Aboriginal Heritage Act 2006, legislation of the state of Victoria, Australia, also known as the AHA
  • Aha, an Egyptian phrase found on the Rhind Papyrus
  • Aha (Book of Mormon), a Nephite soldier
  • Ahanta language (ISO 639-3 code AHA)

See also

  • Aha! (disambiguation)
  • AAHA (disambiguation)
  • Aahaa (disambiguation)
  • Aha experience, an insight that manifests itself suddenly
  • Aha Khani, a village in Hormozgan Province, Iran