Orr or ORR may also refer to:

Acronyms

Objective response rate Clinical endpoints or clinical outcomes are outcome measures referring to occurrence of disease, symptom, sign or laboratory abnormality constituting a target outcome in clinical research trials. The term may also refer to any disease or sign th ...

, or overall response rate, a parameter in clinical trials for pharmaceutical products *

Office of Rail and Road The Office of Rail and Road (ORR) is a non-ministerial government department responsible for the economic and safety regulation of Britain's railways, and the economic monitoring of National Highways. ORR regulates Network Rail by setting its ...

, a regulatory body in the United Kingdom *

Office of Refugee Resettlement The Office of Refugee Resettlement (ORR) is a program of the Administration for Children and Families, an office within the United States Department of Health and Human Services, created with the passing of the United States Refugee Act of 1980 ( ...

, a program of the US Administration for Children and Families * Operational Readiness Review (ORR), used by the US government * Outer Ring Road (disambiguation), a series of roads in various places *

Oxygen reduction reaction In chemistry, the oxygen reduction reaction refers to the reduction half reaction whereby O2 is reduced to water or hydrogen peroxide. In fuel cells, the reduction to water is preferred because the current is higher. The oxygen reduction reactio ...

, a type of chemical reaction

Places

* Orr, Kentucky, United States, an unincorporated community *

Orr, Minnesota Orr ( ) is a city in St. Louis County, Minnesota, Saint Louis County, Minnesota, United States. The population was 211 at the 2020 United States census, 2020 census. U.S. Route 53#Minnesota, U.S. Highway 53 serves as a main route in Orr. Orr i ...

, United States, a small city * Orr, West Virginia, United States, an unincorporated community * Orr, a district of

Pulheim Pulheim (; Ripuarian: ''Pullem'') is a town in the Rhein-Erft-Kreis, North Rhine-Westphalia, Germany. Since the 1920s, a large substation of the ''Rheinisch-Westfälisches Elektrizitätswerk AG'' ( RWE) is located at Pulheim. It is the end of t ...

, Germany * Orr Glacier, Victoria Land, Antarctica * Orr Island, Marie Byrd Land, Antarctica *

Orr Peak The Miller Range () is a mountain range extending south from Nimrod Glacier for along the western edge of the Marsh Glacier in Antarctica. Name The range is named for J.H. "Bob", now Sir Joseph Holmes Miller, a member of the New Zealand p ...

, Ross Dependency, Antarctica *

Urr Water Urr Water or River Urr (''Archaism, arc. River Orr'') is a river which flows through the counties of Dumfriesshire and Kirkcudbrightshire in southwest Scotland. Course Entirely within Dumfries and Galloway, the Urr Water originates at Loch Urr an ...

, Scotland, United Kingdom, archaically known as the River Orr *

Orr Formation The Orr Formation is a geologic formation in Utah. It preserves fossils dating back to the Cambrian The Cambrian ( ) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 51.95 million years fr ...

, a geologic formation in Utah, United States

People

Orr (surname) Orr is a surname of Scottish and Ulster-Scots origin. It is derived from the Gaelic ''Odhar'' meaning "dark, pale". In Scotland, Orr may be a sept of Clan Campbell. Etymology The primary origin is from the Gaelic ''odhar'', meaning "dark", "dun" ...

, including a list of people with this name *

Orr Barouch Orr Barouch (; born 29 November 1991) is an Israeli former footballer who played as a forward. Career Early life and career Barouch is Jewish, and was born in Haifa, Israel. He moved to the United States with his parents as a child. He grew ...

(born 1991), Israeli footballer

Fictional characters

* Orr (''Catch-22''), a fictional character in the novel ''Catch-22'' and the film adaptation * George Orr, protagonist of the science-fiction novel ''

The Lathe of Heaven ''The Lathe of Heaven'' is a 1971 science fiction novel by American writer Ursula K. Le Guin, first serialized in the American science fiction magazine ''Amazing Stories''. It received nominations for the 1972 Hugo and the 1971 Nebula Award, an ...

'' by Ursula K. Le Guin and two film adaptations

Other uses

Orr Academy High School Rezin Orr Academy High School is a public four-year high school bordered between the neighborhoods of West Garfield and Humboldt Park located on the West Side of Chicago, Illinois. It is a part of the Chicago Public Schools district and is man ...

, a public high school in Chicago, Illinois, United States *

Orr School The Orr School is a historic school building at 831 Laurel Street in Texarkana, Arkansas. It is a single story wood-frame structure, with a hip roof that has exposed rafters. It is clad in white shiplap siding. The interior has a long, narrow h ...

, Texarkana, Arkansas, United States, on the National Register of Historic Places *

Yorketown Airport Yorketown Airport (IATA:ORR, ICAO:YYOR) is a regional, uncontrolled airport located in Yorketown on the Yorke Peninsula, South Australia. The airfield is run and operated by the Yorke Peninsula Council. The airfield is used as an emergency l ...

, IATA airport code "ORR"

Acronyms

Places

People

Fictional characters

Other uses

See also