F3 or F03 may refer to:

Computing

* F3, a

function key A function key is a key on a computer or terminal keyboard that can be programmed so as to cause an operating system command interpreter or application program to perform certain actions, a form of soft key. On some keyboards/computers, func ...

on a computer keyboard *

F3 (language) JavaFX Script was a scripting language designed by Sun Microsystems, forming part of the JavaFX family of technologies on the Java Platform. JavaFX targeted the Rich Internet Application domain (competing with Adobe Flex and Microsoft Silverlight ...

, the working name for JavaFX Script, a scripting language * Fat-Free Framework, a PHP web application framework

Military

Douglas F-3 Havoc The Douglas A-20 Havoc (company designation DB-7) is an American medium bomber, attack aircraft, night intruder, night fighter, and reconnaissance aircraft of World War II. Designed to meet an Army Air Corps requirement for a bomber, it was ...

, a photographic reconnaissance plane *

Douglas F3D Skyknight The Douglas F3D Skyknight (later designated F-10 Skyknight) is an American twin-engined, mid-wing jet fighter aircraft manufactured by the Douglas Aircraft Company in El Segundo, California. The F3D was designed as a carrier-based all-weather ...

(later F-10 Skyknight), a Douglas twin engine, mid-wing jet fighter * F 3 Malmslätt, a former Swedish Air Force unit *

Felixstowe F.3 The Felixstowe F.3 was a British First World War flying boat, successor to the Felixstowe F.2 designed by Lieutenant Commander John Cyril Porte Royal Navy, RN at the RNAS Felixstowe, naval air station, Felixstowe. Design and development In Feb ...

, a 1917 British First World War flying boat *

Hannover F.3 The Hannover C.IV was a prototype escort fighter built in Germany during World War I, which formed the basis for a passenger aircraft following the war. Derived from the Hannover CL.II, the C.IV shared the same basic conventional biplane configur ...

, a World War I German prototype escort fighter * HMS ''Cossack'' (F03), a 1937 British Royal Navy destroyer * HMS ''F3'', a British F class submarine * McDonnell F3H Demon (later F-3 Demon), a United States Navy carrier-based jet fighter *

Mk F3 155mm The 155 mm self-propelled gun Mk F3, or the Canon de 155 mm Mle F3 Automoteur (Cn-155-F3-Am), was developed in the early 1950s by the French Army to replace their American M41 Gorilla 155mm self-propelled guns. The Mk F3 is the smallest ...

, French self-propelled gun * RAF Tornado F3, a British fighter * USS ''F-3'' (SS-22), a United States Navy submarine * A future Japanese fighter jet (F-3 or F-X) based on the i3 conceptual jet fighter and Mitsubishi X-2 prototype

Transportation

BYD F3 The BYD F3 is a compact car that was produced by BYD and was one of the top selling compact cars in China. Production of the first generation model commenced in September 2005, and facelifts were done in 2014 and 2016 with a few variants spawned ...

, an automobile *

EMD F3 The EMD F3 is a B-B freight- and passenger-hauling carbody diesel locomotive produced between July 1945 and February 1949 by General Motors’ Electro-Motive Division. Final assembly was at GM-EMD's La Grange, Illinois plant. A total of 1,111 ...

, a North American cab-style diesel locomotive introduced in 1945 *

F3 (Istanbul Metro) The F3, also known as the Vadistanbul Skyrail ( tr, Vadistanbul Havaray) and officially referred to as the F3 Vadistanbul-Seyrantepe funicular line ( tr, F3 Vadistanbul-Seyrantepe füniküler hattı), is a long funicular railway in Sarıyer, Ista ...

, a funicular railway line in Istanbul, Turkey * F3 class, project name for the mega-cruise ship ''Norwegian Epic'' * Faso Airways IATA airline designator * Fokker F.III, a 1921 Dutch single-engine high-winged monoplane aircraft * Hinterhoeller F3, a yacht design by Canadian boat builder Hinterhoeller Yachts *

MV Agusta F3 series The MV Agusta F3 is a series of motorcycles introduced in 2012 by the Italian manufacturer MV Agusta. These models are the first three-cylinder machines that MV Agusta have manufactured since the famous three-cylinder GP racers of the 1970s. ...

, an Italian sports motorcycle * Spyder F3, a model of the three-wheeled motorcycle

BRP Can-Am Spyder Roadster The Can-Am Spyder ("Spyder") is a three-wheeled motorcycle manufactured by Can-Am motorcycles, a division of Bombardier Recreational Products. The vehicle has a single rear drive wheel and two wheels in front for steering, similar in layout to a ...

* Sydney Ferries'

Parramatta River ferry services Parramatta River ferry services connect suburbs along the Parramatta River in Sydney with Circular Quay by commuter ferry. The services are numbered F3 and form part of the Sydney Ferries network. History Regular ferry services between Sydney ...

, known as the F3 *

Pacific Motorway (Sydney–Newcastle) The Pacific Motorway, signposted M1, is a stretch of Motorway#Australia, motorway linking Sydney to the Central Coast, New South Wales, Central Coast, Newcastle, New South Wales, Newcastle and Hunter Region, Hunter regions of New South Wales. ...

, formerly Sydney–Newcastle Freeway and commonly known as F3

Arts

* ''F3'' (Fisz Emade jako Tworzywo Sztuczne album) * ''F3'' (manga) (F³: Frantic, Frustrated & Female), a hentai manga series * ''F3'' (film), an Indian Telugu-language film

Other

* F3 (classification), a wheelchair sport classification * F3 (font format), created by Folio, Inc *

F3 (gene) Tissue factor, also called platelet tissue factor, factor III, or CD142, is a protein encoded by the ''F3'' gene, present in subendothelial tissue and leukocytes. Its role in the clotting process is the initiation of thrombin formation from the ...

, a protein * F3 isoprostane *

F3 Nation F3 Nation, or F3, is a network of free, peer-led workouts for men, founded in the United States on January 1, 2011 in Charlotte, North Carolina with an estimated 40,000+ active participants. These participants can be found at approximately 3,300 ...

, a network of free peer-led workouts for men in the U.S. *

Form, fit and function Form, Fit, and Function (F3 or FFF) is a concept used in various industries, including manufacturing, engineering, and architecture, to describe aspects of a product's design, performance, and compliance to a specification. F3 refers to a set of c ...

, an engineering term relating to design processes *

Formula Three Formula Three, also called Formula 3, abbreviated as F3, is a third-tier class of open-wheel formula racing. The various championships held in Europe, Australia, South America and Asia form an important step for many prospective Formula One dr ...

, a class of automobile racing * Forsmark 3, a unit at

Forsmark Nuclear Power Plant Forsmark Nuclear Power Plant is a nuclear power plant in Forsmark, Sweden that provides 14% of Sweden's total electricity output, and also the site of the Swedish Final repository for radioactive operational waste. It is operated by a company ...

, Sweden *

Motorola Motofone F3 The Motorola Fone (styled MOTOFONE) was a candybar mobile phone from Motorola, one of a series of phones in the 4LTR line. It was the first mobile phone to use an electronic paper display. F3 The F3 (frequently known as the Motofone) was a ...

, a mobile phone *

Nikon F3 The Nikon F3 was Nikon's third professional single-lens reflex camera body, preceded by the F and F2. Introduced in 1980, it had manual and semi-automatic exposure control whereby the camera would select the correct shutter speed (aperture pri ...

, an SLR camera * Taito F3 System, a 1992 arcade system board * A tornado intensity rating on the

Fujita scale The Fujita scale (F-Scale; ), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is deter ...

*''F''₃, a type of

formant In speech science and phonetics, a formant is the broad spectral maximum that results from an acoustic resonance of the human vocal tract. In acoustics, a formant is usually defined as a broad peak, or local maximum, in the spectrum. For harmo ...

in speech science * F3, an EEG electrode site according to the 10-20 system * F3 Derby,

association football Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players who primarily use their feet to propel the ball around a rectangular field called a pitch. The objective of the game is t ...

rivalry between

Central Coast Mariners Central Coast Mariners Football Club is an Australian professional soccer club based in Gosford, on the Central Coast of New South Wales. It competes in the A-League Men, under licence from the Australian Professional Leagues (APL). The ...

and

Newcastle Jets Newcastle United Jets Football Club, commonly known as Newcastle Jets, is an Australian professional soccer club based in Newcastle, New South Wales. It competes in the country's premier competition, the A-League, under licence from The Australia ...

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