IR or Ir may refer to:
Iran (Persian: ایران Irān [ʔiːˈɾɒːn] (listen)), also called Persia, and officially the Islamic Republic of Iran (Persian: جمهوری اسلامی ایران Jomhuri-ye Eslāmi-ye Irān (listen) [dʒomhuːˌɾije eslɒːˌmije ʔiːˈɾɒn]), is a country in Western Asia.
Ireland ( (listen); Irish: Éire [ˈeːɾʲə] (listen); Ulster-Scots: Airlann [ˈɑːrlən]) is an island in the North Atlantic.
Iraq (, (listen) or ; Arabic: ٱلْعِرَاق, al-ʿirāq; Kurdish: عێراق Êraq), officially the Republic of Iraq (Arabic: جُمْهُورِيَّة ٱلْعِرَاق Jumhūrīyah al-ʿirāq; Kurdish: کۆماری عێراق Komarî Êraq), is a country in Western Asia, bordered by Turkey to the north, Iran to the east, Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest and Syria to the west.
The Iraq War was a protracted armed conflict that began in 2003 with the invasion of Iraq by a United States-led coalition that overthrew the government of Saddam Hussein.
Iron () is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table.
Iron Man is a fictional superhero appearing in American comic books published by Marvel Comics. The character was co-created by writer and editor Stan Lee, developed by scripter Larry Lieber, and designed by artists Don Heck and Jack Kirby.
Irish (Gaeilge) is a Goidelic language of the Celtic languages family, itself a branch of the Indo-European language family.
The Iroquois ( or ) or Haudenosaunee (; "People of the Longhouse") are a historically powerful northeast Native American confederacy in North America.
The Iranian Revolution (Persian: انقلاب ایران, romanized: Enqelâbe Irân, pronounced [ʔeɴɢeˌlɒːbe ʔiːɾɒːn]), also known as the Islamic Revolution or the 1979 Revolution, was a series of events that involved the overthrow of the last monarch of Iran, Mohammad Reza Pahlavi, and the replacement of his government with an Islamic republic under the Grand Ayatollah Ruhollah Khomeini, a leader of one of the factions in the revolt.