Look up FSB in Wiktionary, the free dictionary.
FSB may refer to:
Organisations
- Financial Stability Board, an international group of financial authorities
- Swedbank, a retail banking group
- Fuqua School of Business, a business school
- Federal savings bank, a class of bank in the United States
- Federation of Small Businesses, a lobbying group of the United Kingdom
- Financial Services Board (South Africa), a financial regulatory authority
- Friends School of Baltimore, a Quaker institution
- First Somali Bank
Politics
- Federal Security Service (Federal'naya Sluzhba Bezopasnosti), a domestic security service of Russia
- Bolivian Socialist Falange, a political party of Bolivia
- Trade Union Social Citizens List, a political group of Denmark
Science and technology
- Front-side bus, a computer subsystem
- Fast Syndrome Based Hash, a group of cryptographic functions
- Brinjal fruit and shoot borer (Leucinodes orbonalis), a moth species
- Fellow of the Society of Biology
Other uses
- FSB (band), a Bulgarian music band
- Fire support base, a military encampment