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 (transport operator), formerly Norwegian State Railways (''Norges Statsbaner''), a government-owned railway company which operates most passenger train services in Norway

Education

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

* * National Savings Bank (Sri Lanka) * * 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 {{disambiguation