What does NAHA stand for?

National Association for Holistic Aromatherapy (NTPA)

National Association of Handwriting Analysts

National Association of Health Authorities - British (EAIO)

National Association of Health Authorities in England and Wales (AIE)

National Association of Hotel Accountants - Later, International Association of Hospitality Accountants (EA)

North American Highway Association

Norwegian-American Historical Association (EA)