RT may refer to:

Arts and media 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

Science and technology Biology and medicine 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 or effective reproduction number, a measure of the spread of an infection in epidemiology

Computing and telecommunications 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

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 RT-2, a vision-language-action model developed by Google DeepMind in July 2023

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

Transportation 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 Route number in the US UVT Aero, an airline (IATA code RT)

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

See also Real-time (disambiguation) The Right Honourable, abbreviated "Rt Hon" Arty (disambiguation) RT1 (disambiguation)