TRS may refer to:
Finance and economics Taxable REIT subsidiaries, real estate investment trusts Teacher Retirement System of Texas, a pension plan Teachers' Retirement System of the State of Illinois, a pension agency Technical rate of substitution, marginal rate of technical substitution in economics Total return swap Total revenue share
Organizations Telangana Rashtra Samithi, former name of Bharat Rashtra Samithi, a political party in Telangana, India ThalesRaytheonSystems, French-American aerospace and defense electronics company The Right Stuff (blog), a far-right podcasting site and blog Turtle Rock Studios, a video game developer
Technology Telecommunications relay service, telephone service for the deaf Ticketing and Reservation System, China Railways Tip-Ring-Sleeve, a phone connector type Timing Reference Signal in serial digital interface for video Term rewriting system in mathematics Transmission Raman spectroscopy TRS-80, a Tandy Radio Shack personal computer
Transportation codes TRS, IATA code for Friuli Venezia Giulia Airport, near Trieste, Italy TRS, ICAO code for AirTran Airways, in Orlando, Florida, US
Other uses Theatre Royal Sydney, a theatre in Sydney, Australia Trainz Railroad Simulator, a series of computer games Toyota Racing Series, a car racing series based in New Zealand Two-round system, an electoral system where the two candidates with the most votes head to a second round