NSB

NSB may refer to:

Art, entertainment, and media

 * Natural Snow Buildings, a French experimental music duo
 * Nihilist Spasm Band, Canadian free improvisation musical collective
 * Nu skool breaks, a subgenre of breakbeat music originating during the period between 1998 and 2002
 * Nature Structural & Molecular Biology, an academic journal
 * Nippon Shortwave Broadcasting (now Radio Nikkei), a domestic commercial shortwave radio station in Japan

Politics and government

 * FBI National Security Branch, the United States Federal Bureau of Investigation's branch responsible for investigating threats to national security
 * National Seamen Board of the Philippines
 * National Science Board, the governing body of the National Science Foundation
 * National Security Bureau (Republic of China), the intelligence agency of the Republic of China (Taiwan)
 * National Socialist Bloc, an historical political movement in Sweden
 * National Socialist Movement in the Netherlands (Nationaal-Socialistische Beweging), a fascist political movement in the Netherlands (1931–1945)
 * Naval Submarine Base (United States):
 * Naval Submarine Base Kings Bay
 * Naval Submarine Base New London
 * Norwegian State Railways (1883–1996), a former state-owned railway company that operated most of the railway network in Norway
 * Vy, formerly Norwegian State Railways (Norges Statsbaner), a government-owned railway company which operates most passenger train services in Norway

Competitions

 * National Science Bowl, a middle and high school academic competition
 * Scripps National Spelling Bee, a competition in the United States

Schools

 * Newcastle School for Boys, a British independent school
 * North Sydney Boys High School, an Australian high school
 * Northampton School for Boys, a British Secondary School

Other uses

 * NSB Niederelbe Schiffahrtsgesellschaft
 * National Savings Bank (Sri Lanka)
 * Neusiedler Seebahn
 * Nevada State Bank, a bank in the United States
 * New Smyrna Beach, Florida, a city in the United States
 * Newtown Savings Bank, a bank in the United States
 * Normans Bay railway station, a railway station in Sussex, England