RF is an abbreviation for
radio frequency
Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around to around . This is roughly between the u ...
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Rf or RF may also mean:
Arts and entertainment
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Red Faction (series)'', a series of revolution video games
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Rinforzando, , in music notation
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RF Online'', an online RPG made by CCR
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RFTV, a Brazilian television network
Business
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Aero K, IATA code (2020–present)
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Florida West International Airways, IATA code (1984–2017)
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Radio Nippon, (a.k.a. RF Radio Nippon, from its call sign JORF), a radio station in Yokohama, Japan
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Regions Financial Corporation, NYSE stock symbol
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Registered association (Finland) (''Registrerad förening''), Finnish legal status for a non-profit organization
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Royalty-free, in business
Government and politics
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France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
(''République française'')
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Russian Federation
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
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Rhodesian Front, former political party in Rhodesia
Biology and medicine
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Rheumatic fever, an inflammatory disease
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Release factors RF1, RF2, RF3, proteins
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Reticular formation, in the brainstem
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Rheumatoid factor, an antibody
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Receptive field, the response characteristic of a neuron
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Respiratory failure
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Risk factor
Other uses in science and technology
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Representative fraction
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Rest frame
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Retardation factor in a chromatographic system
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Radiative forcing, the change in energy flux in the atmosphere caused by climate change factors
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Random forest, an ensemble learning method in data science
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Rutherfordium, symbol Rf, a chemical element
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Canon RF mount, interchangeable camera lens mount
Sports
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Range Factor, a baseball statistic
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Right fielder
A right fielder, abbreviated RF, is the outfielder in baseball or softball who plays defense in right field. Right field is the area of the outfield to the right of a person standing at home plate and facing towards the pitcher's mound. In the ...
, a defensive position in baseball
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Roger Federer
Roger Federer ( , ; born 8 August 1981) is a Swiss former professional tennis player. He was ranked as the List of ATP number 1 ranked singles tennis players, world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for 3 ...
, a Swiss tennis player
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Swedish Sports Confederation (, RF), the umbrella organisation for Swedish sports
{{disambiguation