DHA

DHA, Dha and dha may refer to:

Chemicals

 * Dehydroascorbic acid, an oxidized form of ascorbic acid
 * Dihydroxyacetone, the active ingredient in sunless or self-tanning skincare products
 * Docosahexaenoic acid, an omega-3 fatty acid
 * 9,10-Dihydroanthracene, a form of anthracene whose center-ring carbons have been reduced
 * Dihydroartemisinin, an antimalarial

Organizations

 * Defence Housing Australia of the Australian Defence Force, a provider of family housing for members
 * Defence Housing Authority of the Pakistan army, provides commercial and residential housing developments
 * Defence Housing Authority, Islamabad
 * Defence Housing Authority, Karachi
 * Defence Housing Authority, Lahore
 * Department of Humanitarian Affairs, now known as the United Nations Office for the Coordination of Humanitarian Affairs
 * DHA Cinema, a movie theatre in Lahore, Pakistan
 * Drug Houses of Australia, a Singapore pharmaceuticals manufacturer

Other

 * Detailed Hydrocarbon Analysis, which usually refers to gas chromatography or similar methods
 * Dha (sword), a single-edged weapon found in Burma/Myanmar, Thailand and other parts of Southeast Asia
 * Directory Harvest Attack, a method used by spammers to obtain email addresses
 * Disarmament as Humanitarian Action, a research project carried out at the United Nations Institute for Disarmament Research
 * Doctor of Health Administration, a professional doctoral degree