HSR may refer to:

Biology and medicine

Health services research Health services research (HSR) became a burgeoning field in North America in the 1960s, when scientific information and policy deliberation began to coalesce. Sometimes also referred to as health systems research or health policy and systems resear ...

* Heat shock response, via HSPA1A gene * Homogeneously staining region

Transportation

Hamilton Street Railway The Hamilton Street Railway commonly known as the HSR is a public transport agency in Hamilton, Ontario, Canada. The name is a legacy of the company's early period, when public transit in Hamilton was primarily served by streetcars. Although stree ...

* High-speed rail *

Higher-speed rail Higher-speed rail (HrSR), also known as high-performance rail, higher-performance rail, semi-high-speed rail or almost-high-speed rail, is the jargon used to describe inter-city passenger rail services that have top speeds of more than convent ...

Hisar Junction railway station Hisar Junction railway station (railway code: HSR) is an A-category railway station,Holyoke Street Railway * Hot Springs Municipal Airport, South Dakota, US * Mitsubishi HSR, a concept car

Other

Haliburton Scout Reserve Haliburton Scout Reserve (HSR) is a Scout camp, originally a frontier Canadian logging camp, located east of Haliburton, Ontario and just south of Algonquin Park, one of Canada's natural wonders situated deep and secluded within the Canadian shi ...

, a Scouts Canada camp *

Hart–Scott–Rodino Antitrust Improvements Act The Hart–Scott–Rodino Antitrust Improvements Act of 1976 (Public Law 94-435, known commonly as the HSR Act) is a set of amendments to the antitrust laws of the United States, principally the Clayton Antitrust Act. The HSR Act was signed into l ...

* Hidden surface removal *

Hierarchical state routing Hierarchical state routing (HSR), proposed in ''Scalable Routing Strategies for Ad Hoc Wireless Networks'' by Iwata et al. (1999), is a typical example of a hierarchical routing, hierarchical routing protocol. HSR maintains a hierarchical network ...

High-availability Seamless Redundancy High-availability Seamless Redundancy (HSR) is a network protocol for Ethernet that provides seamless failover against failure of any single network component. PRP and HSR are independent of the application-protocol and can be used by most Indust ...

* High-Speed Research Program, a 1990-1999 NASA supersonic jet program * '' Historical Social Research'' *

Historic Sportscar Racing Historic Sportscar Racing (HSR) is an automobile club and sanctioning body that supports historic racing in the United States. The organization traces its roots to the first running of the Walter Mitty Challenge in 1977 at Road Atlanta. HSR conti ...

, an American historic motorsport series *

Hochschule für Technik Rapperswil HSR (german: Hochschule für Technik Rapperswil) or University of Applied Sciences Rapperswil is a technical university in Rapperswil, a locality of the city of Rapperswil-Jona, Switzerland. HSR is part of the University of Applied Sciences of ...

, a university in St. Gallen, Switzerland * '' Honkai: Star Rail'', a 2023 role-playing gacha game released by HoYoverse *

HSR Layout HSR Layout (Hosur-Sarjapur Road Layout) is a prominent suburb of South-Eastern Bangalore, India. The locality, initially developed by the Bangalore Development Authority in 1985 has now emerged into a coveted residential area due to its proxi ...

, Bengaluru {{disambiguation