DHA

DHA, Dha and dha may refer to:

Chemicals

 * Docosahexaenoic acid, a 22:6 omega-3 fatty acid
 * Dehydroandrosterone, an endogenous androgenic steroid
 * Dehydroascorbic acid, an oxidized form of ascorbic acid
 * Dehydroacetic acid, a pyrone derivative used as a plasticiser, as a fungicide, as a bactericide, and as a food preservative
 * Dihydroxyacetone, the active ingredient in sunless or self-tanning skincare products
 * 9,10-Dihydroanthracene, a form of anthracene whose center-ring carbons have been reduced
 * Dihydroartemisinin, an antimalarial
 * Dihydroalprenolol, a beta-adrenergic blocker
 * Dehydroalanine, an uncommon unsaturated α-amino acid

Organizations

 * Defence Housing Australia, a provider of family housing for members of the Australian Defence Forces
 * Defence Housing Authority, provides commercial and residential housing developments for the Pakistani army
 * Defence Housing Authority, Islamabad
 * Defence Housing Authority, Karachi
 * Defense Health Agency, the United States Department of Defense agency responsible for managing the activities of the Military Health System
 * 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
 * Demirören Haber Ajansı (Demirören News Agency), a Turkish news agency

Linguistics

 * Dha (Indic), a glyph in the Brahmic family of script
 * Dha (Javanese) (ꦝ), a letter in the Javanese script

Other

 * Dha, Ladakh, a village in the Leh district of India.
 * Dhahran International Airport, military airbase in Dhahran, Saudi Arabia
 * 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 doctoral degree
 * D.Ha., an abbreviation used for the United States District Court for the District of Hawaii