FSO

FSO may stand for:

  • Fabryka Samochodów Osobowych, a Polish car company
  • Federal Protective Service of Russia responsible for the security of Russian state officials.
  • Flash Shared Object a local shared cookie used in computing.
  • Floating Storage and Offloading, system, is an offshore oil and gas vessel
  • Foreign Service Officer, government employee working for their country in a foreign country
  • Frank Skinner's Opinionated, British TV programme
  • Free Space Optics, a wireless data transmission technology
  • Forest Section Officer, an officer in the State Forest Services of the government of India
  • Scripting.FileSystemObject in Windows Script Host
  • Office of the Financial Secretary
  • test and measurement sensor Full Scale Output
  • Free-space optical communication, a technology that uses light to transmit data.