AHA, Aha, or aha may refer to:

Arts, entertainment and media

* ''Aha!'' (TV program), an information and education TV program in the Philippines *

a-ha A-ha (usually 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 ...

, a Norwegian pop music band * ''Aha!'' (film), a 2007 Bangladeshi film *

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

, an Indian service offering Telugu content * ''Aha!'' (tabloid), a newspaper published in the Czech Republic *

AHA! A Hands-On Adventure Lancaster ( ) is a city in Fairfield County, Ohio, in the south-central part of the state. As of the 2020 census, the city population was 40,552. The city is near the Hocking River, about southeast of Columbus and southwest of Zanesville. It ...

, a children's museum in Lancaster, Ohio * 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 Imogen Jennifer Heap (born 9 December 1977) is a British musician, singer, songwriter and record producer. Her work has been considered pioneering in pop and electropop music. Heap classically trained in piano, cello and clarinet starting at a ...

* ''Aha! Insight'' (1978), a book by Martin Gardner

Hockey

Amateur Hockey Association The Amateur Hockey Association of Canada (AHAC) was an amateur men's ice hockey league founded on 8 December 1886, in existence until 1898. It was the second ice hockey league organized in Canada, after one in Kingston, Ontario started in 1883. ...

, 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 (1925–1926), and before that as part of the United States Amateur Hockey As ...

* American Hockey Association (1992–1993) * Atlantic Hockey Association, an NCAA Men's Division I Ice Hockey conference which operates primarily in the northeastern U.S.

Organizations

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

Allianz vun Humanisten, Atheisten an Agnostiker The Allianz vun Humanisten, Atheisten an Agnostiker (English: ''Alliance of Humanists, Atheists and Agnostics'') is a Luxembourgish association that serves the interests of atheists, humanists, skeptics and agnostics in the Grand-Duchy. It also e ...

, 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 cardiac care in an effort to reduce disability and death ...

, a non-profit organization in the US that promotes cardiac care *

American Hebrew Academy AHA International School (formerly American Hebrew Academy until 2020) was intended to be an international college-preparatory school located in Greensboro, North Carolina. It was to be open to students of all faiths but was originally founded ...

, 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. Founded in 1884, the AHA works to protect academic freedom, develop professional s ...

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

American Homebrewers Association The Brewers Association (BA) 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 ...

, 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 The American Humanist Association (AHA) is a 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 defend the constitutiona ...

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

Arabian Horse Association The Arabian Horse Association (AHA) is the single national organization that is the only breed registry that registers Arabian horses in the United States. It also works with the United States Equestrian Federation to sanction horse shows and ...

, an organization that registers Arabian horses in the US * Association of Hispanic Arts, 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 and one of the largest in the United States, serving approximately 50,00 ...

, an organization to develop, acquire, lease and operate affordable housing * Australian Hotels Association, an employer advocacy and lobby group representing hoteliers around Australia

People

* 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 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 the ...

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

Science and technology

Alpha hydroxy acid α-Hydroxy acids, or alpha hydroxy acids (AHAs), are a class of chemical compounds that consist of a carboxylic acid with a hydroxyl group substituent on the adjacent (alpha) carbon. Prominent examples are glycolic acid, lactic acid, mandelic ac ...

, 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 "Aha ...

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

Other uses

* '' Aboriginal Heritage Act 1972'', Western Australian legislation also known as the AHA * ''

Aboriginal Heritage Act 1988 The ''Aboriginal Heritage Act 1988'' (AHA) is the principal South Australian legislation protecting and preserving the state's Aboriginal heritage. It repealed and replaced the ''Aboriginal and Historic Relics Preservation Act 1965'', which was ...