FBI is the United States Federal Bureau of Investigation, a law enforcement agency.
FBI may also refer to:
Music F.B.I. (album), a 1996 song and album by The Dayton Family "F.B.I." (instrumental), a 1961 single by The Shadows FBi Radio, a community radio station based in Sydney, Australia
Television The F.B.I. (TV series), a 1965–1974 television series based in part on actual FBI cases FBi (Fully Booked Interactive), a 2000 British children's TV show, a reformat of the series Fully Booked FBI (franchise), also known as The FBIs, an ensemble of police procedural television series produced by Wolf Entertainment FBI (TV series), first broadcast in 2018, based on the criminal division of the Federal Bureau of Investigation FBI: Most Wanted, a spin-off first broadcast in 2020 FBI: International, a spin-off first broadcast in 2021
Organizations Federation of British Industries, merged into Confederation of British Industry in 1965 Flying Buffalo Inc., a game publisher based in the Arizona, United States Furniture Brands International, formerly in Clayton, Missouri, an American home furnishings company Full Blooded Italians, a professional wrestling stable
Science The Fauna of British India, a series of scientific books published by the British government in India (1890–1947) FBI mnemonics, for describing directions in magnetic fields FBI transform (Fourier-Bros-Iaglonitzer transform), a concept in mathematics
Other uses F.B.I. Frog Butthead Investigators, a 2012 film
See also The FBI Story, a 1959 film about the Federal Bureau of Investigation FBI MoneyPak Ransomware, a ransomware virus that claims to be from the FBI