AHA, Aha, or aha may refer to:

Arts, entertainment and media

a-ha A-ha (often stylised as ''a''-h''a''; ) is a Norwegian synth-pop band formed in Oslo in 1982. Founded by Paul Waaktaar-Savoy (guitars and vocals), Magne Furuholmen (keyboards, guitars and vocals), and Morten Harket (lead vocals), the band ros ...

, a Norwegian pop music band *

Aha (streaming service) Aha (stylised as aha) is an Indian over-the-top streaming service which offers Telugu and Tamil-language content. It is owned by Arha Media & Broadcasting Private Limited, a joint venture between Geetha Arts and My Home Group. The service ...

, an Indian service offering Telugu content *

Association of Hispanic Arts The Association of Hispanic Arts (AHA) is a New York–based non-profit organization founded in 1975 that promotes the work of Hispanic artists. It holds an annual Hispanic Arts Festival in the city, and publishes a quarterly magazine, ''AHA! Hisp ...

, a New York-based non-profit organization that promotes the work of Hispanic artists * "Aha", a 2009 song by British singer

Imogen Heap Imogen Jennifer Jane Heap ( ; born 9 December 1977) is an English musician, singer, songwriter, record producer, and entrepreneur. She is considered a pioneer in pop music, particularly electropop, and in music technology. While attending the ...

Hockey

* Amateur Hockey Association, an amateur men's ice hockey league in Canada from 1886 to 1898 *

American Hockey Association (1926–1942) The American Hockey Association (AHA) was a minor professional hockey league that operated between 1926 and 1942. It had previously operated as the Central Hockey League, and before that as part of the United States Amateur Hockey Association. Th ...

* American Hockey Association (1992–1993) *

Atlantic Hockey America Atlantic Hockey America (AHA) is a college ice hockey conference which operates primarily in the northeastern United States. It participates in NCAA Division I as an ice hockey-only conference. The conference was formed in 2023 by the merger of ...

, 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 The Atlantic Hockey Association (AHA) was an NCAA Men's Division I Ice Hockey conference which operates primarily in the northeastern United States. It participated in the NCAA's Division I as an ice hockey-only conference. Unlike several other ...

, a men-only ice hockey conference which merged into the new Atlantic Hockey America in 2024

Organizations

AHA Foundation The AHA Foundation is American nonprofit organization founded by Ayaan Hirsi Ali, its namesake. The organizations stated goal is to protect Western Freedoms and Ideals, especially from the threat of, what it considers, Islamic extremism. It was ...

, a nonprofit organization for the defense of women's rights *

Administration for a Healthy America The Administration for a Healthy America (AHA) is a planned operating agency within the U.S. Public Health Service in the Department of Health and Human Services (HHS), to be created as part of the HHS reorganization of 2025 under the administr ...

, 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 The American Heart Association (AHA) is a nonprofit organization in the United States that funds cardiovascular medical research, educates consumers on healthy living and fosters appropriate Heart, cardiac care in an effort to reduce disability ...

, 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 American Historical Association (AHA) is the oldest professional association of historians in the United States and the largest such organization in the world, claiming over 10,000 members. Founded in 1884, AHA works to protect academic free ...

, the oldest and largest society of historians in the US *

American Homebrewers Association The Brewers Association is an American trade group of over 5,400 brewers, breweries in planning, suppliers, distributors, craft beer retailers, and individuals particularly concerned with the promotion of craft beer and homebrewing. Two of the l ...

, an American trade group concerned with the promotion of craft beer and homebrewing *

American Hospital Association The American Hospital Association (AHA) is a health care industry trade group. It includes nearly 5,000 hospitals and health care providers. The organization, which was founded in Cleveland, Ohio in 1898, with offices in Chicago, Illinois and W ...

, a trade group founded in 1898 to the promote health care industry *

American Humane Association The American Humane Society (previously American Humane), is an American animal welfare organization founded in 1877 that works to rescue, care for, and protect animals by taking action wherever and whenever they are in need. It was previously ...

, an organization founded in 1877 dedicated to the welfare of animals and children *

American Humanist Association The American Humanist Association (AHA) is a 501(c) organization, non-profit organization in the United States that advances secular humanism. The American Humanist Association was founded in 1941 and currently provides legal assistance to defe ...

, an educational organization in the US that advances secular humanism *

Arabian Horse Association The Arabian Horse Association (AHA) is a national organization that registers Arabian horses in the United States. It also works with the United States Equestrian Federation to sanction horse shows and license judges for Arabian horses. The AHA ...

, an organization that registers Arabian horses in the US *

Area health authority Area health authorities (AHAs) were 90 National Health Service (NHS) administrative organisations set up in England and Wales in 1974 by the National Health Service Reorganisation Act 1973. Separate legislation was passed for Scotland. In Engla ...

, a former type of administrative organisation of the NHS in England and Wales *

, a New York-based non-profit organization that promotes the work of Hispanic artists *

Atlanta Housing Authority The Atlanta Housing Authority (AHA) is an agency that provides affordable housing for low-income families in Atlanta. Today, the AHA is the largest housing agency in Georgia (U.S. state), Georgia and one of the largest in the United States, servi ...

, an organization to develop, acquire, lease and operate affordable housing *

Australian Hotels Association The Australian Hotels Association (AHA) is a federation of not-for-profit employer associations in the hotel and hospitality industry, registered under the Fair Work Act and respective State Laws. The AHA's role is to further and protect the int ...

, an employer advocacy and lobby group representing hoteliers around Australia

People

Hor-Aha Hor-Aha (or Aha or Horus Aha; ) is considered the second pharaoh of the First Dynasty of Egypt by some Egyptology, Egyptologists, while others consider him the first one and corresponding to Menes. He lived around the 31st century BC and is thoug ...

, a First Dynasty Egyptian pharaoh *

Rabbi Aha Rabbi Aha (, read as ''Rabbi Achah'') was a rabbi of the Land of Israel, of the fourth century (fourth generation of amoraim). Biography He resided at Lod, but later settled in Tiberias where Huna II, Judah ben Pazi, and himself eventually cons ...

, fourth century rabbi in the Land of Israel *

Aha bar Jacob Rav Aha bar Jacob (or R. Aha bar Ya'akov; ) was a Babylonian rabbi of the third and fourth generations of Amoraim. He was one of the disciples of Rav Huna. He was also one of the prominent Jewish leaders of Papunia. In the Talmud it is said th ...

, third or fourth century Babylonian rabbi * Aha b. Rava, fourth or fifth century Babylonian rabbi *

Achai Gaon Achai Gaon (also known as Ahai of Shabḥa or Aha of Shabḥa, Hebrew: רב אחא �חאימשַׁבָּחָא) was a leading scholar during the period of the Geonim, an 8th-century Talmudist of high renown. He enjoys the distinction of being th ...

, also known as Aha of Shabḥa, eighth century Talmudist and scholar

Science and technology

Alpha hydroxy acid Alpha hydroxy carboxylic acids, or α-hydroxy carboxylic acids (AHAs), are a group of carboxylic acids featuring a hydroxy group located ''one'' carbon atom away from the acid group. This structural aspect distinguishes them from beta hydroxy aci ...

, 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 ''Aha ha'' is a species of Australian wasp, named by the entomologist Arnold Menke in 1977 as a joke. Menke described several years after its discovery how, when he received a package from a colleague containing insect specimens, he exclaimed "Ah ...

'', an ''Aha'' species abbreviated as ''A. ha'' *

Avoid hasty abstractions "Don't repeat yourself" (DRY) is a principle of software development aimed at reducing repetition of information which is likely to change, replacing it with abstractions that are less likely to change, or using data normalization which avoids redu ...

, a computer programming methodology

Other uses

* ''

Aboriginal Heritage Act 1972 The ''Aboriginal Heritage Act 1972'' (AHA) is a law in the state of Western Australia governing the protection of Aboriginal cultural sites. The '' Aboriginal Cultural Heritage Act 2021'' (ACH Act) was intended to replace the Act from 1 July 20 ...

'', Western Australian legislation also known as the AHA * '' Aboriginal Heritage Act 1988'', South Australian legislation also known as the AHA * ''

Aboriginal Heritage Act 2006 The ''Aboriginal Heritage Act 2006'' (AHA) of the state of Victoria, Australia Victoria, commonly abbreviated as Vic, is a state in southeastern Australia. It is the second-smallest state (after Tasmania), with a land area of ; the second ...

'', legislation of the state of Victoria, Australia, also known as the AHA * ''Aha'', an Egyptian phrase found on the

Rhind Papyrus The Rhind Mathematical Papyrus (RMP; also designated as papyrus British Museum 10057, pBM 10058, and Brooklyn Museum 37.1784Ea-b) is one of the best known examples of ancient Egyptian mathematics. It is one of two well-known mathematical papyr ...

* Aha (Book of Mormon), a Nephite soldier *

Ahanta language Fanti is a Central Tano language, spoken along the southwest coast of Ghana between the cities of Takoradi and Kasoa. Phonology Consonants The consonantal phonemes of the Ahanta language are found in the chart below. Vowels The vowels ...