FSB

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, a bank

Politics

• Federal Security Service (Federal'naya Sluzhba Bezopasnosti), the principal security agency of the Russian Federation
• 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
• Fortune Small Business, a former magazine
• Fire support base, a military encampment
• Foreign Service brat, a child of a Foreign Service Officer