IRP may mean any of the following in:

Science and technology

* Integration Reference Point in telecommunications *

NIH Intramural Research Program The NIH Intramural Research Program (IRP) is the internal research program of the National Institutes of Health (NIH), known for its synergistic approach to biomedical science. With 1,200 Principal Investigators and over 4,000 Postdoctoral Fellow ...

* I/O request packet, in Microsoft Windows * Iron Removal Plant, in

water treatment Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, inc ...

Iron-responsive element-binding protein The iron-responsive element-binding proteins, also known as IRE-BP, IRBP, IRP and IFR , bind to iron-responsive elements (IREs) in the regulation of human iron metabolism. Function ACO1, or IRP1, is a bifunctional protein that functions as an ...

or iron regulatory protein

Political and international organizations

* Initiative of the Republic of Poland, a former Polish political party * International Recovery Platform, a joint initiative of United Nations agencies, international financial institutions, national and local governments, and non-governmental organizations engaged in disaster recovery *

Institute of Revolutionary Practice The Institute of Revolutionary Practice () is an educational institution established in 1949, and affiliated with the Kuomintang. History On 8 July 1949, Chiang Kai-shek and a group of Kuomintang leaders, among them Chang Chi-yun, , Ku Cheng-kan ...

, educational institution affiliated with the Kuomintang * International Registration Plan of transportation carriers in North America * The

International Reporting Project The International Reporting Project, headquartered at New America, funds independent journalistic coverage of under-reported events around the world. The program was created in 1998 as one of the early examples of the non-profit journalism moveme ...

, funds independent journalistic coverage *

International Resource Panel The International Resource Panel is a scientific panel of experts that aims to help nations use natural resources sustainably without compromising economic growth and human needs. It provides independent scientific assessments and expert advice on ...

, for sustainable use of natural resources * International Responsa Project, a Schlesinger Institute project concerning medical issues and Jewish law *

Islamic Renaissance Party of Tajikistan The Islamic Renaissance Party of Tajikistan, also known as the Islamic Revival Party of Tajikistan, is a banned Islamist political party in Tajikistan. Until 2015, when it was designated a terrorist organisation, it was the only legal Islami ...

Islamic Republic of Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's fifth-most populous country, with a population of almost 243 million people, and has the world's second-lar ...

Islamic Republic Party The Islamic Republican Party (IRP; fa, حزب جمهوری اسلامی, Ḥezb-e Jomhūrī-e Eslāmī, also translated Islamic Republic Party) formed in 1979 to assist the Iranian Revolution and Ayatollah Khomeini establish theocracy in Iran. ...

, former Iranian political party

Other

* IRP, IATA code for

Matari Airport Matari Airport is an airport serving Isiro, a city in Haut-Uélé Province, Democratic Republic of the Congo. The airport is northwest of the city. The Isiro-Matari VOR/DME (Ident: IRO) is located southeast of the airport. Airlines and des ...

* Irp.,

Irpinian dialect The Irpinian dialect, or Irpino, is the dialect of Neapolitan language spoken in almost all of the comuni in the Province of Avellino in the Italian region of Campania. It differs from other varieties in certain phrases, pronunciation and the ...

Indianapolis Raceway Park Lucas Oil Indianapolis Raceway Park (formerly Indianapolis Raceway Park, O'Reilly Raceway Park at Indianapolis, and Lucas Oil Raceway) is an auto racing facility in Brownsburg, Indiana, United States, about northwest of downtown Indianapolis. I ...

, a short track in Indianapolis, Indiana * Individual'nyi Ratsion Pitaniya (IRP) (Индивидуальный рацион питания (ИРП)), Russian military rations *

Integrated Rail Plan for the North and Midlands The Integrated Rail Plan for the North and Midlands or more simply, the Integrated Rail Plan (IRP), is a United Kingdom government proposal published on 18 November 2021. It aims to deliver "increased capacity, faster journeys or more frequent ser ...

, UK government plan for its railways * Integrated Resource Plan, used in South Africa and by United States energy utilities {{disambiguation