STR, StR, Str or str may refer to:

Organizations

• Scuderia Toro Rosso, a Formula One motor racing team
• Séminaire Saint-Joseph de Trois-Rivières, a school in Quebec
• South Tynedale Railway, an English heritage railway
• Specialized Technology Resources, an American corporation
• STR, Inc hotel industry data company, formerly Smith Travel Research
• Stranraer Harbour railway station code
• Stuttgart Airport, Germany, IATA code

Science, medicine, and technology

• Short tandem repeat or microsatellite, in a genome
• Special Theory of Relativity
• Specialty registrar (StR), UK medical title
• Suspend to RAM, S3 power state in computing
• Synchronous transmit-receive, an IBM communications protocol
• Jaguar STR, a car
• 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)
• Swedish Twin Registry, a registry of twins in Sweden established in 1961
• Steps to reproduce, a sequence of actions that will reproduce a problem, typically used in debugging software

Other

• Short-term rental, accommodation rented for short periods of time
• Silambarasan Thesingu Rajendar, (born 1983), known as S.T.R., an Indian film director
• Suspicious Transaction Report by a financial institution
• .str, a video file included in a PlayStation (PS1) video game and contains a cinematic played in the game

This disambiguation page lists articles associated with the title STR.
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