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
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).