DNH

DNH may refer to:


 * Dadra and Nagar Haveli, former union territory of India
 * Dadra and Nagar Haveli and Daman and Diu, a union territory of India (formed from the merger of the above and Daman and Diu), postal code DNH
 * Dunhuang Airport, IATA code DNH
 * United States District Court for the District of New Hampshire
 * Dike–New Hartford Community School District