IV may refer to:
Ivory Coast () or Côte d'Ivoire (; KOHT dee-VWAHR; French: [kot divwaʁ]), officially the Republic of Côte d'Ivoire (French: République de Côte d'Ivoire), is a country located in West Africa.
Ivan IV Vasilyevich (Russian: Ива́н Васи́льевич, tr. Ivan Vasilyevich; 25 August 1530 - 28 March [O.S.
Ivo Karlović (Croatian pronunciation: [ǐːv̞ɔ kâːrlɔv̞itɕ]; born 28 February 1979, Zagreb) is a Croatian professional tennis player.
Ivan Rakitić (born 10 March 1988) is a Croatian professional footballer who plays as a central or attacking midfielder for Spanish club FC Barcelona and the Croatia national team.
The Ivanpah Solar Electric Generating System is a concentrated solar thermal plant in the Mojave Desert.