Aha

AHA or aha may refer to:

Abbreviations

• Allianz vun Humanisten, Atheisten an Agnostiker, an association that serves the interests of atheists, humanists, skeptics and agnostics in Luxembourg.
• Alpha hydroxy acid, a class of chemical compounds that consist of a carboxylic acid substituted with a hydroxyl group on the adjacent carbon
• Amateur Hockey Association, an amateur men's ice hockey league in Canada from 1886 until 1898
• American Heart Association, a non-profit organization in the United States that fosters appropriate cardiac care in an effort to reduce disability and deaths caused by cardiovascular disease and stroke
• American Hebrew Academy, an American Jewish pluralistic college preparatory boarding school
• American Historical Association, the oldest and largest society of historians and professors of history in the United States
• American Hockey Association (disambiguation), two former professional ice hockey leagues
• American Homebrewers Association, an American trade group concerned with the promotion of craft beer and homebrewing
• American Homecoming Act, an Act of Congress that allowed children in Vietnam born of American fathers to immigrate to the United States
• American Hospital Association, an organization that promotes the quality provision of health care by hospitals and health care networks
• American Humane Association, an organization founded in 1877 dedicated to the welfare of animals and children
• American Humanist Association, an educational organization in the United States that advances Humanism
• Arabian Horse Association, an organization that registers Arabian horses in the United States
• 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
• Atlantic Hockey Association, a NCAA Men's Division I Ice Hockey conference which operates primarily in the northeastern United States
• Australian Hotels Association, an employer advocacy and lobby group representing hoteliers around Australia
• Autoimmune hemolytic anemia, a condition in which antibodies attack a person's own red blood cells, leading to insufficient plasma concentration

Other uses

• Aha (Book of Mormon), a Nephite soldier
• "Aha", an Egyptian phrase found on the Rhind Papyrus
• AHA!, an information and education TV program in the Philippines
• Aha! (film), a 2007 Bangladeshi film
• Aha! (tabloid), a newspaper published in the Czech Republic
• "Aha", a song by British singer Imogen Heap
• a-ha, Norwegian pop music band
• AHA! A Hands-On Adventure, a children's museum in Lancaster, Ohio
• Aha experience, an insight that manifests itself suddenly
• Ahanta language

See also

• Ahah (Book of Mormon), a Jaredite
• Aha ha, a species of wasp
• Aha Khani, a village in Hormozgan Province, Iran
• Hor-Aha, an Egyptian Pharaoh