RT

• RT (TV network), a Russian television news channel (formerly Russia Today)
• RT America, defunct U.S. channel (2010–2022)
• RT UK, defunct British channel (2014–2022)
• RT France, defunct French channel (2014–2022)
• RT Arabic, Arabic-language channel
• RT Spanish, Spanish-language channel
• RT Documentary, RT's documentary channel
• RT!, Canadian music-video director
• Radio Times, a British listings magazine
• Radio Thailand, a Thai public radio station
• Rooster Teeth, an entertainment production company
• Rotten Tomatoes, a review aggregator website

• Radiation therapy or radiotherapy
• Rapid test
• Reaction time, a term used in psychology
• Respiratory therapist
• Resuscitative thoracotomy
• Reverse transcriptase, an enzyme that transcribes RNA to DNA
• Richter's transformation, in chronic leukemia
• $R\_t$ or effective reproduction number, a measure of the spread of an infection in epidemiology

• IBM RT PC, a computer
• Windows RT, for ARM processors
• Radiotechnique, a French electronics manufacturer
• Radiotelephone
• Request Tracker, a ticketing system
• Retweeting, a sharing function on Twitter
• RT-Mobile, spun off from Rostelecom in Russia

• RT (energy), the product of the gas constant (R) and temperature
• Relevance theory, a linguistic framework for understanding utterance interpretation

• Russian Time, a Russian motor racing team
• Right tackle, in American and Canadian football

• R/T (Road/Track), a Dodge car performance designator
• AEC Regent III RT, London Transport bus, 1938–1979
• Rapid transit
• Line 3 Scarborough of the Toronto Subway, Scarborough RT or "The RT"
• Sacramento Regional Transit District, SacRT or RT
• RT, abbreviation for route number in the US
• Airline UVT Aero (IATA code RT)

• Lil RT (born 2014), American rapper
• Ruby Tuesday (restaurant) (NYSE symbol), a restaurant chain
• Rukun tetangga, an administrative division of Indonesia

• Real-time (disambiguation)
• The Right Honourable, abbreviated "Rt Hon{{not a typo|.}}"
• Arty (disambiguation)
• RT1 (disambiguation)

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