HTA may refer to:
Education Hawaii Technology Academy High Tech Academy, in Cleveland, Ohio, United States Holy Trinity Academy (disambiguation) Home Team Academy, a government training institute in Singapore
Other uses Chita-Kadala International Airport, in Russia Hapoel Tel Aviv F.C., an Israeli football club Hard Truck Apocalypse, a video game Harris Tweed Authority, a Scottish statutory public body Health technology assessment, a multidisciplinary policy analysis methodology Health Technology Assessment, a journal Heavier than air Helitrans, a Norwegian airline Hierarchical task analysis, one method of task analysis Highway Traffic Act (Ontario) Hizb ut-Tahrir America, an American Islamic organization Home team advantage, a sports term Home Technology Association, an industry association Horticultural Trades Association Hot Thespian Action, a Canadian sketch comedy troupe HTML Application, a user interface markup language originated by Microsoft Human Tissue Authority, of the British Department of Health Humboldt Transit Authority