FSO

FSO is an abbreviation for:

• Fabryka Samochodów Osobowych , Polish automobile manufacturer
• Familia Spiritualis Opus , Roman Catholic Movement, see Spiritual Family "The Work"
• Federalnaja Sluschba Ochrany , Russian State Security Service for the Protection of the President and the Government
• Federazija Sportiwnowo Orijentirowanija Rossii , the Russian orienteering association
• Feldbergschule , vocational school in Oberursel (Taunus)
• Floating Storage and Offloading Vessel , tanker used as a storage and transshipment station, see Floating Production Storage and Offloading Unit
• Free-Space Optics , an optical communication technology, see optical directional radio

This is a disambiguation page for differentiating between several terms identified with the same word.