Aviation
* Nasair, a low-cost airline carrier and subsidiary based in Eritrea * National Air Services, an airline in Saudi Arabia ** Nas Air (Saudi Arabia), a low-cost airline carrier and subsidiary of National Air Services * National Aerospace Standards, industry standards for aviation in the United States * National Airports System, an organization system of larger or important airports in Canada * National Airspace System, an aviation control system in the United States * Naval air squadron, an aircraft-focused unit associated with a navy *Commerce
*Organizations
* Nationaal Arbeids-Secretariaat, a trade union federation in the Netherlands 1893-1940 * National Academy of Songwriters * National Academy of Sports (Philippines) * HSE National Ambulance Service of Ireland * National Apprenticeship Service, UK * National Archives of Scotland, Edinburgh * National Association of Scholars, US * Former National Association of Schoolmasters, UK * National Association of Seadogs, a Nigerian confraternity * National Audubon Society, US conservancy organization * National Autistic Society, UK * National Salvation Front (South Sudan), a militant group * Nautical Archaeology Society, UK * Nord Anglia International School DubaiPeople
*Places
* Lynden Pindling International Airport (IATA airport code NAS), near Nassau, Bahamas * Nas (Ikaria), a village in the Greek island of IcariaReligion
* al-Nas, Islamic scriptural chapter in the Quran * New American Standard Bible, a 1971 English translation of the Bible * Nordic Asa-Community (Swedish: ''Nordiska Asa-samfundet''), a neopagan organisation in SwedenScience and technology
* National Academy of Sciences (disambiguation)Biology, chemistry and medicine
* ''N''-Acetylserotonin, also known as normelatonin, a neurotransmitter * NaS battery, a sodium–sulfur battery * Neonatal abstinence syndrome, a drug withdrawal syndrome found in infants that have been administered drugs * Normative Aging Study, a long-term study of the health effects of aging * Nucleophilic acyl substitution, a reaction in organic chemistry * Nucleophilic aromatic substitution, a reaction in organic chemistryComputing and networks
* NASA Advanced Supercomputing Division * NetWare Access Server, a Novell product * Network access server *Other uses
* National account system, for measuring the economic activity of a nation * Nerve attenuation syndrome, a fictional disease in the movie '' Johnny Mnemonic''See also
* Naas (disambiguation) * Nass (disambiguation) * Naz (disambiguation) {{disambiguation, geo, surname Turkish-language surnames