RT may refer to:
Arts and media
- RT (TV network), a news channel from Russia, formerly Russia Today
- RT America, U.S. RT channel
- RT UK, British RT channel
- RT France, French RT channel
- RT Arabic, Arabic language RT channel
- RT Spanish, Spanish language RT channel
- RT Documentary, RT's documentary channel
- RT!, Canadian music video director
- Radio Times, a UK TV and radio listings magazine
- Radio Thailand, a Thai public radio station
- Rooster Teeth, an entertainment production company
- Rotten Tomatoes, a movie reviewing website
Science and technology
Biology and medicine
- Radiation therapy or radiotherapy
- Reaction time, a term used in psychology
- Respiratory therapist
- Reverse transcriptase, an enzyme that transcribes RNA to DNA
- Effective reproduction number, styled , a measure of the spread of an infection in epidemiology
- Richter's transformation, in chronic leukemia
Computing and telecommunications
- IBM RT PC, a workstation computer from IBM
- Windows RT, Windows 8 for ARM processors
- Radiotechnique, a French electronics company that made vacuum tubes for radio transmitters and receivers
- Radiotelephony, techniques used to clarify, simplify and standardize spoken communications
- Request Tracker, an open-source ticketing system
- RT-Mobile, spun off from Rostelecom in Russia
Other uses in science and technology
- RT (energy), the product of the gas constant (R) and temperature
- Relevance theory, a linguistic framework for understanding utterance interpretation
Sports
- Russian Time, a Russian motor racing team
- Right tackle, in American and Canadian football
Transportation
- R/T (Road/Track), a performance car trim level from Dodge
- AEC Regent III RT, London Transport bus used 1938–1979
- Rapid transit
- Sacramento Regional Transit District
- Line 3 Scarborough of the Toronto Subway, commonly known as the Scarborough RT or "The RT"
- RT, abbreviation for route (i.e., a road) in route number, especially in the United States
- Airline UVT Aero (IATA code RT)
Other uses
- Ras Tanura, a city in Saudi Arabia
- Ruby Tuesday (restaurant) (NYSE symbol), a restaurant chain
See also
- Real-time (disambiguation)
- The Right Honourable, abbreviated "Rt Hon."