FSO may refer to:

Government

* Federal Protective Service (Russia) (Russian: ), responsible for the security of Russian state officials * Federal Statistical Office (Switzerland) * Financial Secretary's Office, of the Government of Hong Kong *

Foreign Service Officer A Foreign Service Officer (FSO) is a commissioned member of the United States Foreign Service. Foreign Service Officers formulate and implement the foreign policy of the United States. FSOs spend most of their careers overseas as members of U ...

, of the United States Foreign Service *

Forest Section Officer Range Forest Officer / Ranger / Forest Range Officer / Circle forest officer is an officer for a State Forest Service (SFS) in the state government. In some states, they also are referred to as a "Forest Range Officer." Range Forest Officer is ...

, in India

Music

Fairfax Symphony Orchestra The Fairfax Symphony Orchestra is a regional orchestra based in Fairfax, Virginia, founded in 1957. Currently, the Fairfax Symphony plays at the George Mason University Center for the Arts Concert Hall. Notable members from past and present inclu ...

, in Virginia, United States *

Frankston Symphony Orchestra Frankston Symphony Orchestra (FSO) is one of ten community orchestras in Victoria, Australia. It is from the Melbourne suburb of Frankston on the Mornington Peninsula. The orchestra forms a part of the Frankston Music Society, which also includes ...

, in Victoria, Australia *

Fulham Symphony Orchestra Fulham Symphony Orchestra (FSO) is an amateur orchestra based in west London. It has given premieres of works by Wagner, Puccini and Tchaikovsky, performed with internationally renowned soloists, and featured many times in the national press. Pe ...

, in London * " F.S.O.", the first single from the Regurgitator album ''Tu-Plang'' *

Film Symphony Orchestra The Film Symphony Orchestra (FISYO) (Czech: ''Filmový symfonický orchestr'') is a Czech classical orchestra, specialising in recording film music. It is also known under the name ''Czech Symphony Orchestra'', which was used frequently in the 199 ...

, Czech classical orchestra

Transport

* '' Fabryka Samochodów Osobowych'', a Polish automotive company *

Franklin County State Airport Franklin County State Airport is a public airport located three miles (5 km) west of the central business district of Highgate, a town in Franklin County, Vermont, United States. It is owned by the State of Vermont. Although most U.S. airports ...

, in Vermont, United States *

Subiaco railway station Subiaco railway station is a railway station on the Transperth network in Western Australia. It is located on the Fremantle line and Airport line, from Perth station serving the suburbs of Subiaco and Wembley. History Subiaco station open ...

, in Western Australia

Other uses

Fire Support Officer An artillery observer, artillery spotter or forward observer (FO) is responsible for directing artillery and mortar fire onto a target. It may be a '' forward air controller'' (FAC) for close air support (CAS) and spotter for naval gunfire su ...

Flash shared object A local shared object (LSO), commonly called a Flash cookie (due to its similarity with an HTTP cookie), is a piece of data that websites that use Adobe Flash may store on a user's computer. Local shared objects have been used by all versions of ...

Floating storage and offloading A floating production storage and offloading (FPSO) unit is a floating vessel used by the offshore oil and gas industry for the production and processing of hydrocarbons, and for the storage of oil. An FPSO vessel is designed to receive h ...

* Free-space optical communication * Flag Service Organization {{disambiguation