HAA is an abbreviation for:
Haitian American Alliance of New York
The Haitian American Alliance of New York, Inc. (HAA) is a private non-profit volunteer organization established in 1996 to empower Haitian Americans through increased participation in areas of social, political, and economic endeavors.
The organization's membership includes dynamic and dedicated volunteers who work for the delivery of effective programs and services to the New York Haitian Community. HAA strives to be a model of leadership in the Community.