RTT may refer to: Computing Real-time text, text transmitted as it is generated Render to Texture, in computer graphics Round-trip time, in telecommunications Organisations Realtime Trains, a UK train tracking website and app Recapture Tactics Team, in US Marine Corps Régie des Télegraphes et Téléphones, former name of the Belgium telecom company Proximus Group Radio and Television of Montenegro (RTCG), formerly Radio-Televizija Titograd (RTT) Other uses Race to the Top, in US education Real-time tactics, genre of strategy games Rett syndrome, a neurological disorder River Trade Terminal, a Hong Kong container terminal Télévision Tunisienne 1, formerly called RTT See also 1xRTT, a mobile communications protocol