RF (disambiguation)
RF is an abbreviation for radio frequency.
Rf or RF may also mean:
Science and technology
- Radiative forcing, a measure of the change in balance of the energy absorbed and emitted by the Earth's atmosphere
- "Rate of flow", as in Volumetric flow rate
- Random forest, a machine learning algorithm
- Receptive field, a term used in neuroscience referring to the kinds of stimuli to which a neuron is sensitive
- Recombinant frequency, a term used in genetics to measure genetic linkage
- Register file, an array of processor registers in a CPU
- Retardation factor (or retention factor), designated as Rf, a term used in chromatography
- Reticular formation
- Rheumatoid factor, a blood test used to diagnose rheumatoid arthritis
- Roman foot, an ancient Roman unit of measurement
- Rutherfordium, a chemical element
- Release factor
Politics
- France, called République Française in French
- Rhodesian Front, the governing party of Rhodesia under the UDI
- Russian Federation
Sports
- Range Factor, a baseball statistic
- Right fielder, a defensive position in baseball
Fiction and gaming
- Rumble Fighter, a multiplayer online fighting game published by OGPPlanet
- Red Faction, a first-person shooter game that was released in 2001 by THQ and Volition
- RF Online, an online RPG made by CCR
- Ralph Furley, the character played by Don Knotts on the 1977-84 TV series Three's Company
Economics
- Royalty-free
- RF, the NYSE ticker symbol for Regions Financial Corporation
Other
- South Vietnamese Regional Force, a militia formed during the Vietnam War
- Rinforzando, a directive in sheet music
- RF, a Mazda F engine
- RF Generation, a video gaming website
- .рф, the Cyrillic alphabet-only top-level domain of the Russian Federation
- Radio France, French public radio network
- Radio Nippon, a Japanese radio station in the vicinity of Tokyo - JORF
- RF, Florida West International Airways (IATA code)
- Roskilde Festival, a large annual music festival in Denmark