Look up haa in Wiktionary, the free dictionary.
HAA may refer to:
Haa as a word
edit- Hå, a municipality in Norway
- Haa District, Bhutan
- Haa, Bhutan, the seat of the district
- Hāʼ, Arabic letter ه
- Hän language
HAA as a code or acronym
edit- Haloacetic acid
- 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
- Hopper wagons of the British Rail Merry-go-round train
- NRC Herzberg Astronomy and Astrophysics Research Centre