NIS

Nis, Niš, NiS or NIS may refer to:

Places

 * Niš, a city in Serbia
 * Nis, Iran, a village
 * Ness, Lewis (Nis), a village in the Outer Hebrides islands

Businesses and organizations

 * Naftna Industrija Srbije, Petroleum Industry of Serbia
 * Nagoya International School
 * Nanjing International School
 * National Institute of Science, United States
 * National Institute of Sports, India
 * Nederlandsch-Indische Spoorweg Maatschappij, railway company in the Dutch East Indies
 * Nippon Ichi Software, a video game developer
 * Norwegian International Ship Register, (Norsk Internasjonalt Skipsregister)
 * Nuclear Information Service, independent UK organisation

Military, intelligence and security

 * National Intelligence Service (disambiguation), abbreviated NIS in some countries
 * National Intelligence Service (Greece)
 * National Intelligence Service (South Africa), former agency
 * National Intelligence Service (South Korea)
 * Norwegian Intelligence Service
 * Naval Investigative Service, later Naval Criminal Investigative Service, U.S.
 * Canadian Forces National Investigation Service (CFNIS; sometimes abbreviated to NIS)

Chemistry and biology

 * Nickel sulfide (chemical symbol NiS)
 * N-Iodosuccinimide, a reagent
 * Sodium-iodide symporter, a protein

Computing

 * Network Information Service, directory service protocol
 * Network information system
 * NIS Directive, the EU Directive on Security of Network and Information Systems

Other uses

 * National innovation system
 * New Israeli Shekel (unofficial abbreviation), the currency of Israel
 * Niš (boat), a sunk Yugoslav ferry
 * Nordic Integrated System, for ski binding
 * Johnson (rapper) (born 1979), Danish rapper previously known as NiggerenISlæden (N.I.S.)