FSI
Appearance
FSI may refer to:
Economics
- Financial Secrecy Index, a ranking of tax havens
- Financial Stability Institute, a body of the Bank for International Settlements
Government and politics
- Federation of Italian Socialists (Italian: Federazione dei Socialisti Italiani), a defunct political party of Italy
- Foreign Service Institute, of the United States government
- Foreign Service Institute, India, an agency of the Indian government
- Forest Survey of India
- Fragile States Index, a country ranking method
- Internal Security Forces (French: Forces de Sécurité Intérieure), the national security force of Lebanon
Technology
- Flame spread index
- Fluid-structure interaction
- Frequency scanning interferometry
- FRISK Software International, an Icelandic antivirus software developer
- FSI International, an American equipment manufacturer
- Fuel stratified injection
- Full spectral imaging
Other uses
- Fédération Ivoirienne du Scoutisme, the Ivorian Scouting Federation
- FlightSafety International, an American aviation training provider
- Floor space index
- Florida Space Institute, of the State University System of Florida
- FontShop International, a German type foundry
- Fox Sports International
- Freeman Spogli Institute for International Studies, at Stanford University
- Free Sons of Israel, a fraternal organization
- Henry Post Army Airfield, in Fort Sill, Oklahoma, United States
- Italian Chess Federation (Italian: Federazione Scacchistica Italiana)