Abbreviation of New Hampshire, a state of the United States of America.

Initialism of nursing home. / (US, aviation) prefix code for NASA research helicopter designations. / (athletics) Abbreviation of no-height.

(athletics) Abbreviation of no-height.

(philately) Initialism of never hinged.

(Britain) Initialism of National Health Service. / (US) Initialism of National Highway System. / (US) Initialism of National Honors Society.

(US) Initialism of National Historic Site.

plural of NH

(Britain) a self-governing administrative body within the NHS; usually a group of hospitals

plural of NHS Trust

(medicine) Initialism of non-Hodgkin lymphoma. / (US) Initialism of National Historic Landmark. / (zoology, cynology) Initialism of Nenets Herding Laika.