TRST

TRST, Trst, or variations, may refer to:


 * Trieste (Trst), a city in Italy
 * Trst (album), stylized as TRST, the 2012 debut album for Canadian synthpop band TR/ST
 * TR/ST, Canadian electropop band
 * Rai Radio Trst A, aka Radio Trst, Slovene-language radio station in Trieste
 * TRST (test reset), a command signal found in JTAG
 * TRST (market research), Toy Retail Survey Tracking, associated with the NPD Group