HAC may refer to:
Arts
- Harrow Arts Centre, London, England
- Humboldt Arts Council
Conventions
- Hague Adoption Convention, a 1993 international treaty on protection of children and co-operation in respect of intercountry adoption
- High Ambition Coalition, an informal group of approximately 61 countries within the UN Framework Convention on Climate Change (UNFCCC)
Government
- Hakka Affairs Council, of the Republic of China
- House Appropriations Committee, a committee of the United States House of Representatives
Organisations
- Hadassah Academic College, Jerusalem, Israel
- Hague Academic Coalition
- Honourable Artillery Company, a British Army unit and a charitable organisation
- Higher Attestation Commission, a national government agency in Russia, Ukraine and some other post-Soviet states that oversees awarding of advanced academic degrees
- Humanist Association of Canada
- Sudan Humanitarian Aid Commission
- H.A.C. Inc., parent company of the Homeland chain of supermarkets in the U.S. state of Oklahoma.
Science and engineering
- Acetic acid (HAc)
- High acid crude oil, a crude oil with a high concentration of naphthenic acids
- High Alumina Cement (HAC), now known generally as Calcium aluminate cements
- Human artificial chromosome
- Newey–West HAC estimator
- Hierarchical agglomerative clustering, a type of hierarchical clustering
- Lucile Hac (1909–2006), American biochemist and microbiologist
Sport
- Hoosier Athletic Conference
- Hóquei Académico de Cambra, a Portuguese rink hockey club
- Le Havre Athletic Club, a French football club
- Horoya AC, a Guinean football club
- Hydra AC, an Algerian football club
Transport
- Hachijojima Airport, in the Izu Islands, Japan
- Hackney Downs railway station, in London
- Hokkaido Air System
- Hrvatske autoceste, a Croatian motorway operator
- Hughes Aircraft Company
Other uses
- Gorani language (ISO 639-3: hac)
- Hectare
- High-availability cluster
- Honorary Air Commodore
- Hospital-acquired condition
- Hot Action Cop, an American band
- Hot adult contemporary, a radio format
- Hyles–Anderson College
- HAC, a product code prefix used for the Nintendo Switch, its software, and accessories
See also
Topics referred to by the same term
This disambiguation page lists articles associated with the title HAC.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: