FIA is the Fédération Internationale de l'Automobile (English language, English: International Automobile Federation), the world's governing body for all forms of motor sport where four or more wheels are used. Fia or FIA may also refer to:

People

* Fia Backström (born 1970), Swedish artist * Albert Fia (1915–2004), Canadian engineer * Maʻafu Fia (born 1989), Tongan-born New Zealand rugby union player

Organizations

* Federal Investigation Agency, the chief investigative body of the Government of Pakistan * Federated Ironworkers' Association of Australia * Fellow of the Institute of Actuaries, member of a professional association in the United Kingdom * FIA Card Services, formerly MBNA Corporation * Fire Industry Association, trade association in the United Kingdom * Fiscal Information Agency, government agency in Taiwan * Friends in Action, American Christian organization * Future Imagery Architecture, program of the United States National Reconnaissance Office * Futures Industry Association, trade association in the United States * International Federation of Actors (Federation Internationale des Acteurs), global union federation * Free Iraqi Army

Other uses

* Aechmea 'Fia', ''Aechmea'' 'Fia', hybrid bromeliad cultivar * Farnborough International Airshow, in England * Feline infectious anemia, disease found in felines * Flow injection analysis, a form of chemical analysis * Freund's incomplete adjuvant, stimulant of the immune system {{disambiguation, given name, surname