IV

IV may refer to:

Businesses and organizations

• Immigration Voice, an activist organization
• Industrievereinigung, Federation of Austrian Industry
• Intellectual Ventures, a privately held intellectual property company
• InterVarsity Christian Fellowship
• Irish Volunteers, a military organization

In music

• Subdominant, in music theory

Recordings

• IV (The 1975 EP), 2013
• IV (The Aggrolites album), 2009
• IV (BadBadNotGood album), 2016
• IV (Cypress Hill album), 1998
• IV (Diamond Rio album), 1996
• IV (Goatsnake album), 1998
• IV (Godsmack album), 2006
• I.V. (Loma Prieta album), 2012
• IV (The Lookouts album), 1990
• IV (Maylene and the Sons of Disaster album), 2011
• IV (Ton Steine Scherben album), 1981
• IV (The Stranglers album), 1980
• IV (To/Die/For album), 2004
• IV (Veruca Salt album), 2006
• IV (Winger album), 2006
• "I.V." (X Japan song), an X Japan song, 2008
• IV (Željko Joksimović album), 2005
• Faust IV, 1973
• Good Apollo, I'm Burning Star IV, Volume One: From Fear Through the Eyes of Madness, by Coheed and Cambria, 2005
• Led Zeppelin IV, 1971
• Toto IV, 1982

Places

• Ivory Coast, a country
• IV postcode area, the Inverness postcode area in the UK
• Isla Vista, an unincorporated community near Santa Barbara, California

In science and technology

• Intravenous injection, a route of administration of a drug
• I–V curve, current–voltage curve characteristic
• Implied volatility, a term in financial mathematics
• Independent verification systems, in voting machines
• Initialization vector, in cryptography
• Instrumental variable, in statistics
• Trochlear nerve, the fourth cranial nerve

Other uses

• The number 4, in Roman numerals
• International Viewpoint, an online magazine of the Trotskyist reunified Fourth International
• Inter vivos trust, a legal instrument

See also

• 4 (disambiguation)