'''NHA''' may refer to:
==Canada== * National Hockey Association * National Housing Act, 1938
==India== * National Health Authority
==Philippines== * National Housing Authority (Philippines)
==United Kingdom== * National Health Action Party, a political party in England
==United States== * National Healthcareer Association * National Housing Act of 1934 * National Hydrogen Association * National Heritage Academies
==Vietnam== * NHA, the IATA code for Nha Trang Air Base
==Other uses== * 8895 Nha, a main-belt asteroid * National Health Accounts, a process for monitoring the flow of money in the health sector * National Highways Authority (disambiguation) * Neuchâtel Hockey Academy, Swiss ice hockey club * Nursing home administrator * National Hockey Association
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