TRL

TRL or trl may refer to:

Arts

 * Temporary Residence Limited, a record label
 * Total Request Live, a former MTV show
 * TRL Awards (Total Request Live), an Italian music award

Libraries

 * Tampines Regional Library, a regional library in Tampines, Singapore
 * Timberland Regional Library, a public library system in the U.S. state of Washington
 * Toronto Reference Library, the largest public reference library in Canada

Science and technology

 * Technology readiness levels (TRLs)
 * Telstra Research Laboratories, Australia
 * Thru-Reflect-Line, a technique used for network analyzer (electrical) calibration
 * [[Resistor–transistor logic], a class of digital circuits
 * Transport Research Laboratory, UK

Sports

 * Tariff Reform League, UK
 * Toowoomba Rugby League, Australian rugby league football competition

Transportation

 * Terrell Municipal Airport, Texas, US, IATA airport code TRL
 * Thirroul railway station, New South Wales, Australia, station code TRL
 * Tiruvallur railway station, Tamil Nadu, India, station code TRL

Other uses

 * Turkish lira, ISO 4217 code before redenomination in 2005
 * trl, the ISO 639-3 code for Scottish Cant, Scotland