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, 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