Look up FO, fo, F/O, fo', or fo- in Wiktionary, the free dictionary.

Fo or FO may refer to:

• Fallout (video game), a 1997 video game
• Fo Fai, a character in the Battle Arena Toshinden video game series
• Folio (printing), a book size, the page number of books, or sheets with multiple printed pages
• Foreign Objects (band), a Pennsylvania music group
• FunOrb, a 2008 Java-based gaming website

• Par Avion (airline) (IATA airline designator), airline of Tasmania, Australia
• Family office, an investing office controlled by a family
• Felix Airways (IATA airline designator), a regional airline of Yemen
• Football Outsiders, a website devoted to statistical analysis of the NFL
• Force Ouvrière, a French trade unions confederation
• Foreign Office, a department of the United Kingdom government, currently named Foreign, Commonwealth and Development Office
• Flybondi (IATA airline designator), airline of Argentina

• FO (complexity), a complexity class

• .fo, the country code top level domain (ccTLD) for Faroe Islands

• Fiber optic
• XSL Formatting Objects (XSL-FO), a markup language

• Fan out (FO), number of loads at the output of a ring oscillator
• First-order logic, a system of mathematical logic
• Forsterite, magnesium-rich end-member in the olivine solid solution series
• Fourier number (Fo) in physics
• Fuel factor (F_o), used to check the accuracy of an emission measurement system
• Fuel oil, also called Furnace Oil
• FO, a subunit of F1FO type ATPase enzyme

• Field officer, a senior army officer
• First Officer, or co-pilot on an airliner
• Flying officer, a Royal Air Force rank
• Forward Observer, a soldier who directs artillery fire

• Dario Fo (1926–2016), Italian playwright and Nobel laureate
• Fo Porter, a contestant on America's Next Top Model, Cycle 12
• Fó or Fú (佛、仏), the Chinese translation of the term Buddha
• Franco-ontarien, referring to a French-speaking citizen of the (largely anglophone) Canadian province of Ontario, Canada

• Faroe Islands, ISO 3166-1 country code, FO
  • .fo, the country code top level domain (ccTLD) for Faroe Islands
  • Faroese language (language code fo), a North Germanic language
• Fô Department of the Houet Province of Burkina Faso
• Fo, Burkina Faso [fr], the chief town in Fo Department
• Province of Forlì, Italy
• Fort Ord, California

• Face Off (disambiguation)
• Faroese language (language code fo), a North Germanic language
• Foreign object (disambiguation)
• Front office, an area where visitors arrive and first encounter a staff at a place of business
• Fuck off (disambiguation), an English expletive, and various other meanings
• Furka Oberalp Railway, a Swiss railway
• Follow-on, a practice of making a team bat multiple innings in a row in cricket

• Foe (disambiguation)
• Pho

This disambiguation page lists articles associated with the title FO.
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.