HAA

HAA may refer to:

Haa as a word
 Hå, a municipality in Norway
 Haa District, Bhutan
Hāʼ, Arabic letter ه
 Hän language

Haa as an abbreviation
 Haloacetic acid
 HAA, IATA code for Hasvik Airport in Finnmark, Norway
 Healthy Americans Act, a United States Senate bill
 Heavy anti-aircraft
 High Achievement Academy, in Beachwood, Ohio, United States
 High-altitude airship
 Honolulu Academy of Arts

See also

 Haas (disambiguation)
 Ha (disambiguation)