MRT may refer to:

Transport

Rapid Transit Systems

* Mass Rapid Transit (disambiguation) * Mass Rapid Transit (Singapore), MRT (Singapore) or Mass Rapid Transit, Singapore * MRT (Bangkok) or Metropolitan Rapid Transit, Thailand * Manila Metro Rail Transit System, Philippines

Others

*Moreton (Merseyside) railway station, England, code MRT *Moroak airport, ICAO code MRT, in the List of airports by IATA airport code: M

Computing

*Multiple Render Targets, in computer graphics *mrt.exe, Windows Malicious Software Removal Tool * Ferranti MRT (Market Research Terminal), a handheld computer

Geography

*Mississippi River Trail, US

Science

*Mitochondrial replacement therapy *Magnetic resonance tomography, also known as Magnetic Resonance Imaging *Malignant rhabdoid tumour *Mauritius Radio Telescope *Mean radiant temperature, a measure of thermal comfort *Mean residence time of matter in a volume *Moral reconation therapy

Other uses

*Macedonian Radio Television *Manor Racing team in Formula One *Marginal rate of transformation, in economics *Merrimack Repertory Theatre, a non-profit professional theatre in Lowell, Massachusetts *Tupamaro (Venezuela), a Marxist group *''Midland Reporter-Telegram'', a daily newspaper in Midland, Texas