Nid or NID may refer to:
Science Nidogen-1, an extracellular protein Neuronal intestinal dysplasia, a condition involving abnormalities with the nerves supplying the bowel
Telecommunications Namespace Identifier, part of a Uniform Resource Name Network interface device, in telecommunications, providing demarcation between carrier and customer wiring
Organizations Naval Intelligence Department (Royal Navy), the intelligence arm of the British Admiralty from 1887 until 1912 National Institute of Cultural Heritage, a Polish governmental institution National Institutes of Design, a group of Indian public design universities National Institute of Design, the primary institute, in Ahmedabad, Gujarat National Institute of Design, Andhra Pradesh, design school in Vijayawada, Andhra Pradesh National Institute of Design, Madhya Pradesh, design school in Bhopal, Madhya Pradesh National Institute of Design, Haryana, design school in Kurukshetra, Haryana National Institute of Design, Assam, design school in Jorhat, Assam Naval Intelligence Division (United Kingdom), of the British Admiralty, prior to 1965 Naval Intelligence Division (Israel), a staff unit in the Israeli navy headquarters National Investigation Department of Nepal, an intelligence agency of Nepal NID (Stargate), a fictional secret government organization in the television series Stargate SG-1 Nieuport-Delage, an aircraft company from the 1920s and 1930s
Places The Nidelva or Nid River in Trondheim, Norway Nevada Irrigation District, in the Sierra Nevada foothills of California, organized to supply irrigation water
Other National Inventory of Dams, an American database documenting dams in the United States and its territories Nieuwe Intercity Dubbeldekker, the renovated NS DD-AR train Nimzo-Indian Defence, a chess opening Srettha Thavisin (born 1962), nicknamed Nid, Prime Minister of Thailand
See also Nidd (disambiguation)