AAII may refer to:
*
Air Accidents Investigation Institute
Air Accidents Investigation Institute (AAII, cz, Ústav pro odborné zjišťování příčin leteckých nehod, ÚZPLN) is the Czech Republic government agency investigating aviation accidents and incidents. It is headquartered in Letňany, ...
, a government agency in the Czech Republic
*
American Association of Individual Investors
The American Association of Individual Investors is a nonprofit organization with about 150,000 members whose purpose is to educate individual investors regarding stock market portfolios, financial planning, and retirement accounts. AAII "assists ...
*
Australian Artificial Intelligence Institute
* AutoAnalyzer II, see
AutoAnalyzer#Commercialization
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