ND may refer to:

Arts and media

* nD, a fictional alien species in ''Invasion: Earth'' (TV series) * Nancy Drew, a fictional teenage sleuth in various media * Naughty Dog, an American video game developer *''

Notitia Dignitatum The ''Notitia Dignitatum'' (Latin for "The List of Offices") is a document of the late Roman Empire that details the administrative organization of the Western and the Eastern Roman Empire. It is unique as one of very few surviving documents of ...

'', a late Roman administrative codex *

Nuclear Dawn ''Nuclear Dawn'' is a hybrid first-person shooter real-time strategy video game. It was originally announced in February 2006 as an amateur mod for the Source engine, but in April 2009 was revealed to have become Source-based project for Windows a ...

, a 2011 video game (once a ''Half-Life 2'' mod)

Businesses

* Nextdoor, a hyperlocal social networking service for neighborhoods *

NetDocuments NetDocuments is a cloud-based document, email, and records management service. NetDocuments was launched in 1999 to sell enterprise applications under the software as a service (SaaS) business model. Its functionality is accessible through a web ...

, a British document management company * Norsk Data, a defunct Norwegian computer manufacturer * Neues Deutschland, or nd, a German daily newspaper

Language

Nd (digraph) This is a list of digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ''). Letters with diacritics are arranged in alphabetic order accordin ...

, a digraph present in many African languages * Northern Ndebele language, of Botswana and Zimbabwe (ISO 639-1:nd)

Places

* North Dakota, a state of the United States * New Delhi, India's capital city *

Notre Dame (disambiguation) Notre Dame, French for "Our Lady", a title of Mary, mother of Jesus, most commonly refers to: * Notre-Dame de Paris, a cathedral in Paris, France * University of Notre Dame, a university in Indiana, United States ** Notre Dame Fighting Irish, the ...

, a number of churches and colleges * Nguyen dynasty, unified Vietnamese empire (1802–1884)

Politics

* National Democracy (Poland), a political movement 1886–1947 * National Democrats (Sweden), a far-right party 2001–2014 * New Dawn (Algeria), a nationalist party formed in 2012 * New Democracy (Canada), an economic reform party 1939–1940 * New Democracy (Greece), a center-right party formed in 1974 * New Democracy (North Macedonia), a conservative ethnic Albanian party formed in 2008 * New Democrats (France), a left-wing party 2020–2022 * Nuclear disarmament, the dismantlement and proposed dismantling of nuclear weapons

Science and technology

Mathematics

* nd (elliptic function), one of Jacobi's elliptic functions

Medicine

* NADH dehydrogenase, an enzyme *Non-distended, an abdominal distension clinical examination value *Naturopathic Doctor, a degree in

naturopathic medicine Naturopathy, or naturopathic medicine, is a form of alternative medicine. A wide array of pseudoscientific practices branded as "natural", "non-invasive", or promoting "self-healing" are employed by its practitioners, who are known as natur ...

* Notifiable disease, any disease that is required by law to be reported to government authorities

Physics

* ND Experiment, a particle physics experiment in Novosibirsk, Russia *n_D, the refractive index of a medium at a wavelength of 589.8 nm

Other uses in science and technology

Neighbor Discovery The Neighbor Discovery Protocol (NDP), or simply Neighbor Discovery (ND), is a protocol of the Internet protocol suite used with Internet Protocol Version 6 (IPv6). It operates at the link layer of the Internet model, and is responsible for ga ...

, an Internet protocol * Neodymium, symbol Nd, a chemical element * Neutral density filter, a type of filter used in photography *

Contax N Digital The Contax N Digital was a six-megapixel digital SLR camera produced by Contax in Japan. The camera was announced in late 2000, and began to be sold in spring 2002, after several delays. The camera received mixed reviews from the press, and was ...

, a digital camera *ND for ''nominal diameter'' in piping *ND MX-5 Miata, the fourth generation of the Mazda MX-5

Weapons and military

* United States Navy Diver, an occupational rating * Negligent discharge, a careless use of a firearm *

Norrland Dragoon Regiment The Norrland Dragoon Regiment ( sv, Norrlands dragonregemente), also K 4, is a Swedish Army unit specialized in arctic warfare and special operations. Located in the province of Lappland, it was historically a cavalry unit that traces its orig ...

, of the Swedish Army * Nuclear disarmament, the proposed dismantling of nuclear weapons

Other uses

* National Diploma (Ireland), an academic qualification in the Republic of Ireland *

New Dawn (disambiguation) New Dawn may refer to: Entertainment *'' Civilization: A New Dawn'', a 2017 strategy board game *'' Far Cry New Dawn'', a 2019 video game *'' MS Saga: A New Dawn'', a 2005 video game *''A New Dawn'', a 2003 science fiction short story collection ...

, with various meanings *

Neurodiversity Neurodiversity refers to diversity in the human brain and cognition, for instance in sociability, learning, attention, mood and other mental functions. It was coined in 1998 by sociologist Judy Singer, who helped popularize the concept alo ...

, variation in cognition and sociability (per the social model of disability) *n.d. for "no date", an abbreviation used in APA-style and other styles of bibliographic citations *in the International Code of Signals, denotes a tsunami warning {{Disambiguation