HAC

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 console, its software, and accessories Hearing Aid Compatibility, with reference to a compatibility classification between telephones and hearing aids.

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