Aha

AHA, Aha, or aha may refer to:

• 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

• 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

• 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

• 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

• 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

• 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)

• Aha! (disambiguation)

• AAHA (disambiguation)

• Aahaa (disambiguation)

• Aha experience, an insight that manifests itself suddenly

• Aha Khani, a village in Hormozgan Province, Iran