Nas (born 1973) is the stage name of American rapper Nasir Jones. Nas, NaS, or NAS may also refer to:

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 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 * Naval air station, a military air base associated with a navy * Norwegian Air Shuttle, an airline in Norway * National Aviation Services, an aviation services provider headquartered in Kuwait

Commerce

* Nihon Ad Systems, a Japanese anime company * No age statement, for a Scotch whisky

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 Dubai

People

* Lil Nas X (born 1999), American rapper * Nas Majeed, contestant on the Love Island (2015 TV series, series 6), sixth series of ''Love Island'' * Digital Nas (born 1998), American record producer * Mehmet Nas (born 1979), Turkish footballer * Nesrin Nas (born 1958), Turkish academic * Nuseir Yassin (born 1992), Arab-Israeli Vlogger, creator of ''Nas Daily''

Places

* Lynden Pindling International Airport (IATA airport code NAS), near Nassau, Bahamas * Nas (Ikaria), a village in the Greek island of Icaria

Religion

* 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 Sweden

Science and technology

* National Academy of Sciences (disambiguation)

Biology, chemistry and medicine

* N-Acetylserotonin, ''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 chemistry

Computing and networks

* NASA Advanced Supercomputing Division * NetWare Access Server, a Novell product * Network access server * Network-attached storage * Neural architecture search * Non-access stratum, in wireless networking

Other uses

* National account system, for measuring the economic activity of a nation * Nerve attenuation syndrome, a fictional disease in the movie ''Johnny Mnemonic (film), Johnny Mnemonic''