HSR may refer to:

Biology and medicine

Heat shock response The heat shock response (HSR) is a cell stress response that increases the number of molecular chaperones to combat the negative effects on proteins caused by stressors such as increased temperatures, oxidative stress, and heavy metals. In a norma ...

, via HSPA1A gene *

Homogeneously staining region Homogeneously staining regions (HSRs) are chromosomal segments with various lengths and uniform staining intensity after G banding. This type of aberration is also known as Copy Number Gains or Amplification. An HSR is one type of change in a chro ...

Transportation

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

High-speed rail High-speed rail (HSR) is a type of rail system that runs significantly faster than traditional rail, using an integrated system of specialised rolling stock and dedicated tracks. While there is no single standard that applies worldwide, lines ...

* Higher-speed rail * Hisar Junction railway station, in India *

Holyoke Street Railway The Holyoke Street Railway (HSR) was an interurban streetcar and bus system operating in Holyoke, Massachusetts as well as surrounding communities with connections in Amherst, Belchertown, Chicopee, Easthampton, Granby, Northampton, Pelham ...

* Hot Springs Municipal Airport, South Dakota, US *

Mitsubishi HSR The Mitsubishi HSR (Highly Sophisticated-transport Research)
, Mitsubishi Motors press release, O ...

, a concept car

Other

* Haliburton Scout Reserve, a Scouts Canada camp * Hart–Scott–Rodino Antitrust Improvements Act *

Hidden surface removal In 3D computer graphics, hidden-surface determination (also known as shown-surface determination, hidden-surface removal (HSR), occlusion culling (OC) or visible-surface determination (VSD)) is the process of identifying what surfaces and parts o ...

* Hierarchical state routing * High-availability Seamless Redundancy * High-Speed Research Program, a 1990-1999 NASA supersonic jet program * ''

Historical Social Research ''Historical Social Research'' is a quarterly peer-reviewed academic journal covering political science, social science, cultural studies, and history. It is the official journal of the QUANTUM association and is published by GESIS – Leibniz Inst ...

'' *

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 E ...

, 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