NAD or Nad may refer to:

Geography

* Nad, County Cork, a village in Ireland * North American Datum, a series of geographic coordinate systems * North Atlantic Drift, an Atlantic Ocean current * Hobli, a subdivision of a taluka in southern India

Organizations

* National Academy of Design * NAD Electronics, a Canadian audio equipment manufacturer (originally New Acoustic Dimension) * National Advertising Division, the Council of Better Business Bureaus in the United States and Canada * National Appeals Division, an agency within the United States Department of Agriculture * National Association of the Deaf (disambiguation), one of several associations for deaf people * Norwegian Association of the Disabled

Science, medicine and technology

* Na D, a spectroscopic line due to sodium * Network Access Device, a device in mobile phones that finds the shortest route for a connection *

Nicotinamide adenine dinucleotide Nicotinamide adenine dinucleotide (NAD) is a Cofactor (biochemistry), coenzyme central to metabolism. Found in all living cell (biology), cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphat ...

, a coenzyme and signaling molecule * No acute distress, on physical exam * Noradrenalin, a hormone and neurotransmitter * Nucleolar-associating domains (NADs); regions of the chromosome that interact with the nucleolus

Other uses

* Namibian dollar, the currency of Namibia * Nađ, a Serbian-language surname * Nad (surname), an East Slavic-language transliteration of a Hungarian surname {{disambiguation