HAA
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Look up haa in Wiktionary, the free dictionary.
HAA may refer to:
- Hå, a municipality in Norway
- Haa District, Bhutan
- Haloacetic acid
- Hän language
- 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