STR, StR, Str or str may refer to:

Gaming and computing Abbreviation for Strength .str, a video file included in a PlayStation (PS1) video game and contains a cinematic played in the game Suspend to RAM, S3 power state in computing Synchronous transmit-receive, an IBM communications protocol Sort-Tile-Recursive, bulk-loading method for an R-Tree data structure str or STR, term for character string or function in some programming languages, see Comparison of programming languages (string functions) Steps to reproduce, a sequence of actions that will reproduce a problem, typically used in debugging software

Sports and transportation Scuderia Toro Rosso, a Formula One motor racing team Jaguar STR, a car South Tynedale Railway, an English heritage railway Stranraer Harbour railway station code Stuttgart Airport, Germany, IATA code

Medicine Short tandem repeat or microsatellite, in a genome Specialty registrar (StR), UK medical title Swedish Twin Registry, a registry of twins in Sweden established in 1961

Other Séminaire Saint-Joseph de Trois-Rivières, a school in Quebec Specialized Technology Resources, an American corporation STR, Inc hotel industry data company, formerly Smith Travel Research Special Theory of Relativity Short-term rental, accommodation rented for short periods of time Silambarasan (born 1983), an Indian actor and film producer also known as Silambarasan Thesingu Rajendar or STR Suspicious Transaction Report by a financial institution

See also Ester (disambiguation) Ster, short for , responsible for Nederlandse Publieke Omroep's radio, television and online ads Stir (disambiguation)