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F4, F.IV, F04, F 4, F.4 or F-4 may refer to:


Art, entertainment, and music[edit]

Computing and technology[edit]


Sports and games[edit]

Transportation and vehicles[edit]

Other uses[edit]

  • F4, a paper size
  • F 4 Frösön, a former Swedish Air Force wing
  • f/4, an f-number of an optical system such as a camera lens
  • F-4 Object, or Rákosi bunker, a formerly secret nuclear shelter in Budapest, Hungary
  • Form F-4, an American form used to register securities
  • Nikon F4, a camera
  • F4, Albarka Air's IATA airline designator
  • F4, a tornado intensity rating on the Fujita scale
  • F04, ICD-10 code for organic amnesic syndrome, not induced by alcohol and other psychoactive substances
  • F4: an electrode site according to the 10-20 system (EEG).

See also[edit]